What is the most reliable airline in the United States?

The most reliable airlines in 2022 and 2023 in the US were Delta Airlines, Hawaiian Airlines, and United Airlines. Our AirAdvisor Reliability Score is based on delayed, canceled, and diverted flights, as well as instances of denied boarding and mishandled baggage.



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Best Airlines in the United States: A Guide to Flying Domestic
  1. Delta. Delta is one of the safest, most trusted, and overall best airlines in the US. ...
  2. American. For anyone seeking the best airlines in the US, American is always a good choice. ...
  3. Spirit. ...
  4. United. ...
  5. Alaska. ...
  6. Hawaiian. ...
  7. JetBlue. ...
  8. Frontier.


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According to Forbes, United Airlines is safer than Delta. Qantas, Hawaiian, and Southwest Airlines have not had even a single plane crash. ... Wall Street Journal ranked JetBlue the worst airline in the US in 2022.

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Delta Air Lines ranked as the highest-rated domestic airline in the U.S. According to Bounce's 2023 Airline Index, Delta recorded the highest percentage of on-time arrivals at 81.82% and one of the lowest cancellation rates at 1.96%.

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U.S. travelers report that American Airlines is the most unreliable airline in the world when measured by the total flight problems and reported complaints in 2022. American is also the world's largest airline, so this finding may not surprise frequent flyers.

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Despite a slight drop in its score compared to last year, Delta remains the best-performing airline.

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In the meantime, these are the best and worst airlines in the U.S. based on passenger satisfaction levels, by cabin:
  • Best in First and Business Class: JetBlue Airways, Delta Air Lines, United Airlines.
  • Worst in First and Business Class: American Airlines, Alaska Airlines.


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The Most Comfortable Airlines in the U.S.
  • JetBlue.
  • Delta Air Lines.
  • Alaska Airlines.
  • Southwest Airlines.
  • American Airlines.
  • United Airlines.
  • Hawaiian Airlines.
  • Spirit Airlines.


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The top 10 safest airlines 2023
  • Qantas.
  • Air New Zealand.
  • Etihad Airways.
  • Qatar Airways.
  • Singapore Airlines.
  • TAP Air Portugal.
  • Emirates.
  • Alaska Airlines.


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The big four US airlines - American Airlines, Southwest Airlines, Delta Airlines and United Airlines - have by far the most capacity, accounting for 74% of US airline seats, a total of just under 73 million between them.

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It's the second consecutive year Delta was named No. 1 by WalletHub, which studied each airline's delays, baggage issues, safety and other factors. Spirit Airlines ranks No. 2 in this year's report.

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According to statistics and records, Delta is a safe and reliable airline in the world. It may not have undergone occurrences threatening the life or property of a traveler in recent times. Additionally, this carrier is committed to offering flights with amenities to be used during emergencies.

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Here's the ranking of US airlines from MOST complaints in May 2022 to LEAST complaints in May 2022:
  • American Airlines (575 complaints)
  • United Airlines (400 complaints)
  • Frontier Airlines (301 complaints)
  • Delta Air Lines (281 complaints)
  • Spirit Airlines (269 complaints)
  • JetBlue Airways (244 complaints)


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If you're choosing between Delta and Southwest When you factor in earnings rates, basic economy considerations, in-flight entertainment and pet friendliness, Southwest just edges out Delta. (See our annual best airline comparison.) Fly Delta if: You live near a hub.

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