Route reliability

Which airline is most on time on your route?

Enter two airport codes to compare airlines on that route: how often flights arrive on time, get cancelled or land an hour or more late, and which months are worst. Built from 7,049,869 flights reported to the U.S. Department of Transportation, September 2025 to August 2026.

Historical performance Official DOT data through August 2026 · Not live flight status

7,049,869 scheduled flightsSeptember 2025 to August 2026

Check a route

Three-letter airport codes, nonstop U.S. domestic flights. One direction at a time.

On time, all U.S. airlines
75.6%
Arrived within 15 minutes
Cancelled
1.9%
Of scheduled flights
Scheduled flights
7,049,869
September 2025 to August 2026
Route pages
500
Busiest nonstop routes, each direction

Airlines ranked by on-time arrival

All routes, 12 months

Every airline reporting to the U.S. DOT, September 2025 to August 2026.
AirlineOn timeCancelledFlights
1.Hawaiian Airlines 80.0%0.9%26,175
2.Delta Air Lines 79.5%1.7%1,039,517
3.Envoy AirSold as American Eagle 79.0%2.2%320,362
4.Alaska Airlines 78.5%1.2%309,844
5.United Airlines 77.8%1.0%830,825
6.SkyWest AirlinesSold as United Express, Delta Connection, American Eagle, Alaska 77.0%1.8%855,406
7.Southwest Airlines 74.8%0.9%1,391,794
8.Republic AirwaysSold as American Eagle, Delta Connection, United Express 74.3%4.5%364,452
9.Allegiant Air 73.1%0.7%126,005
10.American Airlines 72.9%2.1%988,892
11.Frontier Airlines 71.1%2.0%213,022
12.PSA AirlinesSold as American Eagle 69.7%4.8%242,979
13.Spirit Airlines 68.6%4.5%99,981
14.JetBlue Airways 68.5%3.6%240,615

Busiest routes

All 500 route pages

Woman at an airport window watching a plane take off
Photo: Depositphotos (licensed stock, illustrative only). Credits

Sources & data dates

Source
U.S. DOT Bureau of Transportation Statistics, Reporting Carrier On-Time Performance (1987-present)
Period
September 2025 to August 2026 (12 months); month-of-year patterns September 2023 to August 2026
Data through
August 2026
Processed
2026-11-03
Scope
Scheduled nonstop domestic flights of U.S. airlines that report on-time data to the DOT.
Method
Rates use all scheduled flights as the denominator; cancelled and diverted flights count as not on time. Figures based on fewer than 50 scheduled flights are suppressed. Full methodology.

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