The 9 BEST Airlines in the US for 2025 (Ranked)

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Looking for a top US airline that you can become a frequent flier of? Flying across the US has changed a lot over the years, and 2025 is shaping up to be a standout year. Having flown with every major carrier in the country, I’ve seen firsthand which airlines are going above and beyond for passengers. From top-notch customer service and smooth check-ins to the most comfortable seats and rewards programs, these 9 airlines deliver the best in travel, hands down.

Whether you’re a business traveler or a budget vacationer, this guide covers the top US airlines for 2025. Ready to take off with the best? Let’s dive in!

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Best Airlines in the United States: A Guide to Flying Domestic

When traveling within the country, there are a ton of options when it comes to airline travel. From budget airlines to pricier high-end options, you can’t really go wrong. Air travel is the safest way to explore the US and the most convenient for travelers looking to hit every destination on their bucket list in a timely manner. 

However, if you’re looking for an elevated experience, concerned about making it to your destination on time, or just want the best possible experience for peace of mind, here are the top airlines in the U.S.

1. 🇺🇸 Delta Air Lines

• 🏠 Hub: Atlanta Hartsfield-Jackson (ATL)
• ✈️ Cabin Options: Main Cabin, Comfort+, Premium Select, Delta One, Delta One Suites
• 🎯 Loyalty Program: SkyMiles – part of SkyTeam
• ☕ Perks: Sky Club lounges, premium dining, free messaging onboard, upgraded amenity kits
• 🧠 Pro Tip: Book award flights during Flash Sales or with partner airlines like Virgin Atlantic for better value

Delta Air Lines wasn’t always the powerhouse it is today. After emerging from bankruptcy in 2007, they pulled off the aviation equivalent of a Rocky-style comeback story. Now this Atlanta-based giant connects travelers from their massive Atlanta (ATL) hub (the world’s busiest airport) to over 300 destinations worldwide. Their seriously impressive fleet includes shiny new Airbus A350s, A330neos, and completely refreshed Boeing 767s that actually make long-haul flying civilized again.

Flying Delta One Suites feels like your own little apartment in the sky with sliding doors for privacy, lie-flat beds with Westin bedding, and restaurant-quality meals that don’t taste like typical airplane food. Even their economy experience stands out with free cocktails, surprisingly edible meals, and entertainment systems packed with more options than you could watch in a month of flights.

What distinguishes this carrier is their attention to the passenger experience. Enjoy complimentary cocktails, regional cuisine, and quality in-flight amenities. Economy travelers can access free Delta Studio entertainment on long-haul flights.

The SkyMiles program delivers solid value when used strategically. Redeem miles for flights, upgrades, and travel on partners like Virgin Atlantic, Air France, and KLM. Look for “Flash Sales” to maximize value, especially during off-peak seasons.

2. 🇺🇸 American Airlines

• 🏠 Hub: Dallas-Fort Worth (DFW)
• ✈️ Cabin Options: Main Cabin, Main Cabin Extra, Premium Economy, Flagship Business, Flagship First
• 🎯 Loyalty Program: AAdvantage – part of Oneworld
• ☕ Perks: Admirals Club lounges, Flagship lounges, free live TV, enhanced dining in premium cabins
• 🧠 Pro Tip: Look for Web Special awards for significantly discounted redemptions and partner bookings to avoid fuel surcharges

American Airlines is the true heavyweight champion of US aviation, flying more passengers than any other domestic carrier. From its massive fortress hub at Dallas-Fort Worth, this airline has woven an impressive global web connecting travelers to six continents. Whether you’re heading to business meetings in Shanghai, exploring ancient ruins in Rome, or island-hopping in the Caribbean, American’s extensive fleet of Boeing 777-300ERs, fuel-efficient 787 Dreamliners, and premium-configured Airbus A321Ts stands ready to take you there.

Treat yourself to Flagship First or Flagship Business and you’ll see why frequent flyers get excited about their international service. The Premium Economy sweet spot gives you that extra comfort without breaking the bank. Think wider seats where you can actually move your elbows and food you’ll want to finish. Even Main Cabin Extra feels civilized with those precious extra inches of legroom.

The airline keeps upping its game with refreshed cabins across the fleet. The latest planes feature entertainment that actually entertains, power outlets that work reliably, and Wi-Fi that (mostly) keeps you connected. On longer flights, the upgraded bedding and chef-influenced meals in premium cabins might make you forget you’re flying.

The AAdvantage program has evolved beyond just counting miles. Now you can climb the status ladder through credit card spending or actual flying, whatever works for your lifestyle. Smart travelers leverage partnerships with British Airways, Japan Airlines, and Qantas to maximize their points across the globe.

3. 🇺🇸 Spirit Airlines

• 🏠 Hub: Fort Lauderdale (FLL)
• ✈️ Cabin Options: Standard seats, Big Front Seats
• 🎯 Loyalty Program: Free Spirit
• ☕ Perks: Ultra-low base fares, a la carte pricing model, new Airbus fleet
• 🧠 Pro Tip: Bundle your flight with a Big Front Seat and bags during booking for major savings versus paying separately

Spirit Airlines started with just three planes and a crazy idea: what if flying didn’t have to cost more than driving? Fast forward to 2025, and this bright yellow budget carrier has completely disrupted American aviation. From Fort Lauderdale (FLL), Orlando (MCO), and Las Vegas (LAS), Spirit connects budget travelers to over 80 destinations with America’s youngest fleet of Airbus A320 family aircraft.

The flying experience is exactly what you make it. The base fare gets you and a personal item from A to B, with optional add-ons for your needs. Their newer cabins have improved ergonomics and usable tray tables. Splurge on Big Front Seats ($50-70 extra) for legroom that rivals first class on legacy carriers at a fraction of the price. You can literally fly across the country for less than what some people spend on brunch.

What makes Spirit different is their refreshingly honest approach. While other airlines pretend everyone’s getting premium service, Spirit keeps it real: “We’re cheap, you’re here for it.” Their flight attendants bring humor to announcements, and their improved app makes check-in and booking extras surprisingly painless.

The revamped Free Spirit program has become legitimately useful with points that don’t expire with activity every 12 months. The “$9 Fare Club” pays for itself with one family booking. For travelers who see airplane seats as just transportation and prefer spending on actual experiences, Spirit’s rock-bottom prices make it America’s budget travel secret weapon.

4. 🇺🇸 United Airlines

• 🏠 Hub: Chicago O’Hare (ORD)
• ✈️ Cabin Options: Economy, Economy Plus, Premium Plus, Polaris Business, United First
• 🎯 Loyalty Program: MileagePlus – part of Star Alliance
• ☕ Perks: Polaris lounges, extensive international network, advanced mobile app features, upgraded dining
• 🧠 Pro Tip: Use the Excursionist Perk for a free one-way segment on international itineraries booked with miles

The airline that flies to more international destinations than any other US carrier, United Airlines connects travelers to over 370 destinations across six continents. From its main hub at Chicago O’Hare (ORD), United offers huge global reach through its own network and Star Alliance partners like Singapore Airlines, ANA, and Lufthansa. Whether you’re hopping on a regional jet or settling into their Boeing 787 Dreamliners and 777-300ERs, United’s fleet covers all kinds of trips.

The signature Polaris Business is the highlight for many, with lie-flat seats, Saks Fifth Avenue bedding, and exclusive lounge access that make long flights a lot more enjoyable. Premium Plus is a solid step up from economy with wider seats, upgraded meals, and amenity kits. And if you only need a bit more space, Economy Plus gives you that extra legroom for a more relaxed ride.

United’s MileagePlus is one of the most flexible programs out there. You can redeem miles across 26 Star Alliance partners, take advantage of frequent specials, and enjoy expanded availability if you’re a credit card holder. If you plan it right, the Excursionist Perk can even score you a free extra flight on international routes.

Looking to make your trip smoother? Their app makes a big difference, with interactive maps, real-time flight updates, and easy rebooking when things go sideways. Newer aircraft offer better Wi-Fi, more entertainment options, and Bluetooth audio so you can use your own headphones.

• Read next: Cheapest Airlines in the US

5. 🇺🇸 Alaska Airlines

• 🏠 Hub: Seattle-Tacoma (SEA)
• ✈️ Cabin Options: Main Cabin, Premium Class, First Class
• 🎯 Loyalty Program: Mileage Plan – partners with oneworld
• ☕ Perks: Free texting, generous baggage policies, West Coast connectivity, fresh food options
• 🧠 Pro Tip: Book partner premium cabin awards to Asia using Alaska miles for exceptional value compared to other programs

Alaska Airlines started out flying fur trappers and gold miners across the Alaskan wilderness in the 1930s. Now this Seattle-based carrier brings that frontier spirit to over 115 destinations from bases in Seattle (SEA), Portland (PDX), and San Francisco (SFO). Their fleet of Boeing 737s and Airbus A320s gets you where you need to go with minimum fuss and maximum reliability.

The flying experience hits that sweet spot between bare-bones budget and unnecessary luxury. Economy seats have decent legroom and actual snacks, Premium Class gets you early boarding and free drinks, and First Class offers genuinely good food without breaking the bank. Their famous fruit and cheese plate has basically achieved cult status among frequent flyers.

What makes Alaska special is how they manage to feel like a small, friendly airline despite their size. Their crews seem genuinely happy to be there (a rarity in today’s skies), and the company’s Northwest roots show in thoughtful touches like locally-sourced coffee and craft beers. They’re also industry leaders in sustainability without being preachy about it.

The Mileage Plan loyalty program stands out as one of the few remaining mileage-based (rather than spend-based) earning structures. Members still earn miles based on distance flown, a refreshing approach that often rewards economy travelers better than competitor programs.  With access to oneworld partners like Japan Airlines, Qatar Airways, and Cathay Pacific, Alaska miles can unlock seriously valuable premium cabin redemptions.

6. 🇺🇸 Hawaiian Airlines

• 🏠 Hub: Honolulu (HNL)
• ✈️ Cabin Options: Main Cabin, Extra Comfort, First Class (Domestic), Business Class (International)
• 🎯 Loyalty Program: HawaiianMiles – partners with JetBlue and Japan Airlines
• ☕ Perks: Complimentary island-inspired meals, authentic Hawaiian hospitality, generous free baggage allowance
• 🧠 Pro Tip: Look for West Coast to Hawaii deals during shoulder season (April-May, September-October) for the best value

Hawaiian Airlines holds the distinction of never having a fatal accident in its 95-year history, making it America’s safest carrier. As the flag bearer for the Aloha State since 1929, they connect Honolulu (HNL) and Maui (OGG) with mainland cities like Los Angeles (LAX), Seattle (SEA), and New York (JFK). Their fleet features comfortable Airbus A330s for long-haul routes and nimble Boeing 717s for quick island hops.

The onboard experience starts your vacation before you land. Even in economy, you’ll enjoy complimentary island-inspired meals, signature Mai Tais, and authentic Hawaiian hospitality. Their Extra Comfort seats deliver 5 more inches of legroom and priority boarding without the premium price tag. First Class features spacious recliner seats, premium dining with local ingredients, and thoughtful amenities that showcase Hawaiian culture.

What makes Hawaiian special is their deep connection to island heritage. Flight attendants wear Hawaiian prints, cabins feature native hardwoods and island-inspired design, and the Hawaiian language is integrated throughout the service. Their punctuality record consistently ranks near the top of US airlines, with weather delays rare in the perpetually sunny Hawaiian climate.

The HawaiianMiles program offers excellent value for island hoppers. Their credit card sign-up bonuses typically provide enough miles for several inter-island flights. Hawaiian’s partnerships with JetBlue and Japan Airlines extend your options beyond the islands. For mainland travelers seeking the most authentic journey to paradise or locals island-hopping for business or family visits, Hawaiian delivers the true spirit of aloha from the moment you step aboard.

• Read next: Best Places to Travel with Friends

7. 🇺🇸 JetBlue Airways

• 🏠 Hub: New York (JFK)
• ✈️ Cabin Options: Core (Economy), Even More Space, Mint (Business)
• 🎯 Loyalty Program: TrueBlue – partners with American Airlines
• ☕ Perks: Free high-speed Wi-Fi, most legroom in economy, unlimited brand-name snacks, live TV
• 🧠 Pro Tip: Book Mint Suite or Studio seats (even-numbered rows) for enhanced privacy and direct aisle access

JetBlue Airways launched in 2000 with a revolutionary idea: what if flying didn’t have to be miserable? While legacy carriers were cutting amenities, this upstart began offering free TV, extra legroom, and unlimited snacks. From New York (JFK), Boston (BOS), and Fort Lauderdale (FLL), JetBlue serves over 100 destinations with their modern Airbus fleet featuring the latest A220s and A321LRs.

The onboard experience feels distinctly different. Core seats offer a generous 32-34 inches of pitch, free brand-name snacks, Wi-Fi that actually works, and seatback screens with live TV. Their Mint business class revolutionized premium travel with lie-flat seats, closing doors for privacy, and restaurant-quality dining at prices that undercut legacy carriers.

What makes JetBlue special is their stubborn commitment to passenger comfort while everyone else squeezes in more seats. Their crews seem genuinely happy to be there, and their planes feature thoughtful touches like mood lighting, accessible power ports, and bathrooms that don’t feel like closets. Their sustainability efforts include carbon offsetting and reducing single-use plastics.

The TrueBlue program offers consistent value with no blackout dates, family pooling, and points that never expire. For travelers who value comfort and connectivity without paying a fortune, JetBlue delivers a civilized flying experience that makes you remember when air travel didn’t feel like punishment.

8. 🇺🇸 Frontier Airlines

• 🏠 Hub: Denver (DEN)
• ✈️ Cabin Options: Standard seats, Stretch seats
• 🎯 Loyalty Program: FRONTIER Miles
• ☕ Perks: Ultra-low base fares, fuel-efficient modern fleet, family pooling of miles, kids fly free promotions
• 🧠 Pro Tip: Join Discount Den membership for exclusive access to lower fares and children fly free on select dates

Frontier Airlines puts animals on their planes for a reason. With over 100 different wildlife mascots decorating their tail fins (each with a name and backstory), this budget carrier brings a touch of playfulness to no-frills travel. From Denver (DEN), Las Vegas (LAS), and Orlando (MCO), Frontier connects penny-pinchers to over 80 destinations with their modern Airbus A320 fleet.

The flying experience is refreshingly honest. Your fare includes a seat and personal item. Everything else costs extra. Their slimline seats work fine for shorter hops, while Stretch seats give you breathing room for a reasonable upcharge. The bright green branding and casual crew vibe makes everything feel less corporate than typical airline experiences.

What makes Frontier unique is their environmental commitment. Their newer planes are among America’s most fuel-efficient, and their “Green Class” initiatives include serious plastic reduction and carbon offsetting programs. Their once-troubled reliability has improved dramatically in recent years.

The FRONTIER Miles program has become surprisingly worthwhile with achievable elite tiers and family pooling. Their game-changing “GoWild” pass gives spontaneous travelers unlimited standby flights for one annual price. For budget flyers who understand the a la carte model and pack light, Frontier delivers remarkable value with a distinctly Rocky Mountain personality.

9. 🇺🇸 Southwest Airlines

• 🏠 Hub: Dallas Love Field (DAL)
• ✈️ Cabin Options: Open seating in single-class cabin
• 🎯 Loyalty Program: Rapid Rewards
• ☕ Perks: Two free checked bags, no change fees, open seating policy, friendly service culture
• 🧠 Pro Tip: Check in exactly 24 hours before departure to secure A-group boarding for best seat selection

Southwest Airlines was literally sketched on a cocktail napkin in a San Antonio bar in 1967. This Texas-born rebel has stuck to its “keep it simple” philosophy ever since, ditching assigned seats, baggage fees, and stuffy corporate vibes. From Dallas Love Field (DAL), Chicago (MDW), and Baltimore (BWI), Southwest flies their all-Boeing 737 fleet to over 100 destinations with a distinctly casual approach.

The flying experience breaks all the usual airline rules. No first class, no basic economy, just one cabin where everyone gets the same deal. You pick your seat as you board, which sounds chaotic but actually works. Their newer planes have decent legroom, and those two free checked bags save you about $70 compared to most airlines.

What makes Southwest cool is their genuinely happy crew culture. Flight attendants who crack jokes, captains who come out to chat, and a vibe that feels more like a road trip than formal transportation. Their no-penalty change policy means you can switch flights without the usual financial punishment.

The Rapid Rewards program keeps things refreshingly simple. Points never expire, award seats are available on any flight with open seats, and their credit cards offer companion passes that let someone fly with you basically free. For travelers who hate being nickel-and-dimed and don’t mind the boarding line hustle, Southwest turns flying from stressful to actually kind of fun.

Frequently asked questions (FAQs) about the best airlines in the US

When looking at the best airlines in the US, it’s a good idea to know exactly what you’re looking for. Here are some of the most frequently asked questions about the best airlines in the US.

What is the best airline in the USA?

If you’re a wanderlust traveler like me, the question of the best airline to fly to the US is practically impossible! However, after years of flying to most states across the US, here are my top picks.

One airline that deserves a standing ovation is JetBlue Airways. Imagine soaring through the fluffy clouds while enjoying unlimited snacks, complimentary Wi-Fi, and oh-so-comfortable seats. With their friendly crew and a delightful array of in-flight entertainment options, JetBlue manages to turn an ordinary flight into a sky-high fiesta!

But wait, there’s more! Alaska Airlines steals the show with its captivating blend of top-notch service, cozy cabins, and delicious regional cuisine. From the majestic peaks of Alaska to the sunny shores of California, their diverse route network ensures your wanderlust is satisfied while keeping you pampered with their warm hospitality.

Remember, the best airline in the USA is a subjective choice, but these high-flyers surely add some extra oomph to your journey.

What airlines offer baggage for no extra cost?

One of the best airline perks is when baggage is included in the cost of your ticket. That’s a good reason to opt for a higher-end option when it comes to booking a flight. When it comes to free baggage, there’s only one airline that offers all baggage at absolutely no cost—Southwest Airlines. 

Southwest Airlines allows you to bring one personal item, one carry-on, and up to two checked bags at no extra cost to you on any Southwest flight. Golf bags and skis also count toward your checked bags, as long as they fall within the weight limit.

While Southwest is the only airline to offer completely free checked bags, plenty of airlines also offer carry-on bags at no extra charge for all ticket types, including basic economy. These are Alaska Airlines, Hawaiian Airlines, Delta, and American Airlines.

There are also other airlines that offer free carry-ons with some ticket options—anything higher than basic economy. Some of these airlines are Frontier and United.

What is the best airline to fly to America with?

When it comes to visiting the land of stars and stripes, one airline that stands out is Emirates. Prepare to be enchanted as you step aboard their luxurious aircraft and experience their world-class service. It’s one of the top business class airlines, hands down.

Emirates boasts an extensive route network, connecting travelers from around the globe to multiple destinations across the United States. With spacious cabins, comfortable seats, and cutting-edge in-flight entertainment, the journey becomes as delightful as the destination itself.

But that’s not all! Emirates is renowned for its renowned hospitality, offering delectable cuisine inspired by flavors from around the world. From the moment you step foot on their aircraft, you’ll be treated to warm smiles and impeccable service from their attentive crew.

Moreover, Emirates’ state-of-the-art hub in Dubai provides seamless connections, making your journey to America smooth and hassle-free. So buckle up and prepare for a remarkable voyage as Emirates takes you to the heart of America with style, comfort, and unparalleled service. It’s easy to see why Emirates is among the best airlines to USA.

What are the big 4 airlines?

The U.S. “Big 4” Airlines are:

• United Airlines
• American Airlines
• Delta Air Lines
• Southwest Airlines

These airlines carry the most passengers each year and are among the most popular with travelers. Each one offers high-quality amenities and routes to some of the biggest tourist hotspots worldwide.

How can I save even more money on the best airlines in the US?

Some of the best airlines in the US can also be the most expensive—but not if you’re using Scott’s Cheap Flights (now called Going). This website is one of the best little-known secrets of the travel world. It’s a website that lets you sign up to receive free email alerts with wildly inexpensive airline tickets.

Thanks to mistake fares and random limited-time discounts, you can save anywhere from 40-90% on flights with the help of Scott’s. While the free option is terrific, you can also opt for a premium account. This will send you even more email alerts, making sure you get those tickets before the prices shoot up again. The premium version costs just $49 a year. What’s more, you can get an even bigger discount—use coupon code JON20 to save 20%.

Which US airline is the safest?

One US airline consistently stands tall in terms of safety: Delta Air Lines. With an impeccable track record and a commitment to passenger well-being, Delta has earned its reputation as one of the safest airlines in the United States.

Delta boasts a robust safety culture, investing heavily in regular maintenance, advanced technology, and rigorous training for its pilots and crew members. The airline diligently also adheres to strict safety protocols. This ensures that their fleet of state-of-the-art aircraft is in optimal condition for every flight.

Additionally, Delta places great emphasis on proactive safety measures. This includes comprehensive safety management systems and a strong focus on safety education and awareness. By prioritizing safety at every step of the journey, Delta Air Lines has consistently been recognized as a leader in the industry. It truly offers passengers a secure and reliable travel experience above the clouds.

When is the best time to book my next flight to save the most money?

I have plenty of tips for booking the cheapest flights, but getting the timing right is one of the biggest ways to save money—and one of the most tricky. There’s not always an easy answer to this question. It really depends on whether you’re flying during a peak travel season.

If you are traveling off-season, the best way to book a cheap flight is to wait until the last minute. This might be a little stressful if you have no flexibility in your schedule and need to get on a specific flight at a specific time. For example: if you’re traveling with a group or trying to make an event by a certain time.

However, if you have a bit of wiggle room and there are a few flights that day that may suit your travel plans, you will likely benefit from waiting until the last minute. It’s common for airlines to drop the price when the seats aren’t filled. That way, they can make a little extra money instead of leaving those seats empty and making nothing at all.

If you’re traveling during a busy season, like over a national holiday like Christmas, Thanksgiving, or New Years, your best bet is to book as early as possible. Once you decide where you’re going and what you’re doing, immediately start checking for flights.

Airlines know that people who make last-minute holiday plans will need to get to their destination and take advantage of that high demand. So buying early is the best way to get ahead of those last-minute rate spikes.

For an average flight, I’d suggest looking one to two months out. That’s usually the time that flight tickets are at their lowest.