Nobody likes getting a late start to their vacation, but flight delays are an inevitable part of air travel. In fact, nearly a quarter of all flights operated by U.S. airlines in 2023 arrived at their destinations late, according to the Bureau of Transportation Statistics. While some factors — such as inclement weather or air traffic control issues — are often unavoidable, other factors such as maintenance, crew availability, and aircraft cleaning are within an airline’s control. When booking a ticket, it’s helpful to know which airlines are the best at managing these issues that frequently contribute to delays. Here are the U.S. airlines with the best on-time performance in 2023.
5. Southwest Airlines – 77.25% On Time
![Southwest Airlines Boeing 737 landing on airport runway](https://dailypassport.com/wp-content/uploads/sites/8/2024/05/5-DP-Airlines-Best-On-Time-Performance.jpg?w=640)
One of the “big four” U.S. airlines, Dallas-based low-cost carrier Southwest Airlines transported more than 137 million passengers in 2023. Over three-quarters of them arrived at their destinations on time — good enough for fifth place in U.S. airline on-time rankings. Southwest is famous for its all-Boeing 737 fleet and open seating policy, which helps speed up turnaround times between flights. Passengers are assigned a boarding number based on time of check-in, but those who purchase upgraded boarding can jump the line.
4. United Airlines – 78.47% On Time
![United Airlines jets on airport tarmac](https://dailypassport.com/wp-content/uploads/sites/8/2024/05/4-DP-Airlines-Best-On-Time-Performance.jpg?w=640)
With major hubs in Chicago, Newark, Denver, San Francisco, Washington, and Houston, United Airlines served 354 destinations in 2023 — more than any other North American carrier. Nearly 80% of the airline’s passengers arrived in those many cities on schedule in 2023. In an effort to improve operational performance, United recently launched a new boarding system. Travelers seated next to the window board first, followed by those assigned to a middle seat, and finally passengers in aisle seats. United claims that the new system has saved the airline an average of two minutes per flight. It might not sound like a lot to the average traveler, but to an airline, two minutes multiplied by hundreds of flights per day can really add up.
3. American Airlines – 78.88% On Time
![Pair of American Airlines jets on airport tarmac](https://dailypassport.com/wp-content/uploads/sites/8/2024/05/3-DP-Airlines-Best-On-Time-Performance.jpg?w=640)
American Airlines is the world’s largest airline by number of seats flown, operating an average of nearly 6,800 flights per day with a fleet of more than 900 aircraft. The Dallas-based carrier — which also operates hubs in Chicago, Miami, Philadelphia, Phoenix, and Washington — narrowly edged out rival United Airlines to rank third in the list of on-time rankings for 2023. Based on these statistics, the majority of the airline’s passengers can look forward to an on-time flight, but a word of caution: When it came to overbooking flights, American had the second-highest occurrence of bumping travelers from flights (behind ultra-low-cost carrier Frontier Airlines).
2. Alaska Airlines – 81.06% On Time
![Alaska Airlines Boeing 737 taking off from Los Angeles International Airport](https://dailypassport.com/wp-content/uploads/sites/8/2024/05/2-DP-Airlines-Best-On-Time-Performance.jpg?w=640)
As its name suggests, Alaska Airlines started flying in the Last Frontier in the 1930s, but the Seattle-based airline has since grown to have a major presence on the West Coast. The airline flew approximately 44 million passengers in 2023, far fewer than the other “big four” airlines on this list, but over 80% of those passengers reached their destinations on time. In late 2023, Alaska announced plans to merge with Hawaiian Airlines — if the merger is approved, the combined airline will serve more than 130 destinations, with key hubs in Seattle and Honolulu.
1. Delta Air Lines – 83.52% On Time
![Delta Air Lines Boeing 767 landing in New York City](https://dailypassport.com/wp-content/uploads/sites/8/2024/05/1-DP-Airlines-Best-On-Time-Performance.jpg?w=640)
Delta Air Lines — the world’s largest airline based on revenue — landed in the top spot for 2023 on-time rankings by a healthy margin. Delta flew more than 190 million passengers last year, with many of them transiting through the carrier’s biggest hub at Atlanta Hartsfield-Jackson International Airport, the world’s busiest airport (where Delta operates 800-plus peak daily departures). Even more impressive: The airline also scored top rankings for overall customer satisfaction in the 2024 edition of the annual survey by data analytics firm JD Power.
International Airlines
![Qatar Airways Boeing 787 airplane on approach](https://dailypassport.com/wp-content/uploads/sites/8/2024/05/6-DP-Airlines-Best-On-Time-Performance.jpg?w=640)
Headed overseas on an international airline? Aviation analytics firm Cirium took a look at global data to determine the most on-time airlines around the world. In the No. 5 spot was Spain’s flag carrier Iberia (84.38% on-time arrival rate), behind Delta Air Lines, Qatar Airways (85.11% on time), and Brazil’s Azul Airlines (85.51% on time). In the top spot was Colombia-based Avianca Airlines, with an impressive 85.73% of flights reaching their destinations on schedule.