The on-time record of each US flight route
Each route page gives the share of flights that arrived on time in the last 12 months, by airline and by hour of departure. The source is the monthly record of the Bureau of Transportation Statistics (BTS).
All routes
75.6%arrived on time12 months to August 2026
Find a route in the list of 5,460 routes, or type the two airport codes in the search field (for example ORD-LGA).
In the BTS release of August 2026
| Month | Flights scheduled | Arrived on time | Cancelled |
|---|---|---|---|
| August 2026 | 608,389 | 71.4% | 1.9% |
| July 2026 | 631,970 | 69.4% | 2.6% |
BTS on-time data for August 2026, recorded .
The share of flights that arrived on time changed by 2.0 points or more for 6 airlines and 4,399 routes.
The share of departures that left on time changed by 2.0 points or more at 264 airports.
55 routes have a new page.
Routes with the most flights
| Route | Cities | A day | On time |
|---|---|---|---|
| LGA to ORD | New York to Chicago | 32 | 62.8% |
| ORD to LGA | Chicago to New York | 32 | 62.6% |
| LAX to SFO | Los Angeles to San Francisco | 31 | 59.6% |
| SFO to LAX | San Francisco to Los Angeles | 31 | 70.2% |
| LAX to JFK | Los Angeles to New York | 28 | 74.7% |
| JFK to LAX | New York to Los Angeles | 28 | 73.2% |
| OGG to HNL | Kahului to Honolulu | 27 | 83.0% |
| HNL to OGG | Honolulu to Kahului | 27 | 83.2% |
| BOS to DCA | Boston to Washington | 25 | 69.4% |
| DCA to BOS | Washington to Boston | 25 | 67.0% |
| DEN to PHX | Denver to Phoenix | 25 | 74.9% |
| PHX to DEN | Phoenix to Denver | 25 | 76.0% |
Cities with more than one airport
BTS puts these airports in one city market. A route page links the other airports of the same two cities.
Airlines
| Airline | Flights a day | On time |
|---|---|---|
| AS Alaska Airlines | 849 | 78.5% |
| G4 Allegiant Air | 345 | 73.1% |
| AA American Airlines | 2,709 | 72.9% |
| DL Delta Air Lines | 2,848 | 79.5% |
| MQ Envoy Air | 878 | 79.0% |
| F9 Frontier Airlines | 584 | 71.1% |
| HA Hawaiian Airlines | 72 | 80.0% |
| B6 JetBlue Airways | 659 | 68.5% |
| OH PSA Airlines | 666 | 69.7% |
| YX Republic Airline | 999 | 74.3% |
| OO SkyWest Airlines | 2,344 | 77.0% |
| WN Southwest Airlines | 3,813 | 74.8% |
| NK Spirit Airlines | 274 | 68.6% |
| UA United Airlines | 2,276 | 77.8% |
Airports with the most departures
- ORDChicago71.0%
- DENDenver75.3%
- ATLAtlanta76.8%
- DFWDallas/Fort Worth69.6%
- PHXPhoenix75.8%
- LAXLos Angeles78.6%
- CLTCharlotte73.6%
- LASLas Vegas73.0%
- SEASeattle77.9%
- MCOOrlando72.3%
- SFOSan Francisco74.0%
- BOSBoston73.5%
- DCAWashington69.9%
- LGANew York71.5%
- EWRNewark77.1%
- DTWDetroit77.0%
Share of departures that left on time, 12 months to August 2026.
Findings from the BTS record
- The 50 routes with the most flights, 12 months to August 2026New York (LGA) to Chicago (ORD) had the most scheduled flights in the 12 months to August 2026: 11,630, about 32 a day.
- Scheduled departures by state, 12 months to August 2026Texas had the most scheduled departures in the 12 months to August 2026: 750,126, 10.6% of the departures at airports that have a page.
- Reporting airlines by scheduled flights, 12 months to August 2026Southwest Airlines (WN) had the most scheduled flights in the 12 months to August 2026: 1,391,794, 19.7% of the flights of all reporting airlines.
- Delay causes by month, September 2024 to August 2026Airlines gave 39.8% of the delay minutes to the BTS category "Late-arriving aircraft" in the 12 months to August 2026.
- Flights by scheduled departure hour, 12 months to August 2026The hour from 7 am to 8 am had the most scheduled flights in the 12 months to August 2026: 524,158, 7.4% of all flights.
All findingsEdition of November 2026Every monthly edition
For news sites and blogs: embed a card of the figures of an airport, a route or an airline.
How to read the figures
- How BTS defines an on-time flightBTS counts a flight as on time when it arrives less than 15 minutes after its published arrival time.
- The five BTS delay-cause categoriesAir carrier, late-arriving aircraft, National Aviation System, extreme weather and security.
- Where DOT states the rules on delays and refundsThe pages of the US Department of Transportation, with its own words.
- Which airlines report to BTSAirlines with at least half of one percent of domestic scheduled passenger revenues. Regional airlines report under their own codes.
- TSA checkpoint volumesThe passengers that TSA screened each day at US airports.