Of 23,663 sampled AS departures, 59.4% left 15 minutes or more behind schedule. Average lateness was 29.8 minutes. Sample window: Oct 19, 2025 to Oct 15, 2026. Its published schedule has about 218 flights a week on 18 routes.
These are historical aggregates, not live status. A departure is late at 15 minutes past schedule.
| Month | Departures sampled | Late | Average lateness |
|---|---|---|---|
| Nov 2025 | 722 | 65.4% | 30.7 min |
| Dec 2025 | 683 | 81.3% | 40.5 min |
| Jan 2026 | 3,563 | 52.7% | 23.5 min |
| Feb 2026 | 26 | 57.7% | 30.6 min |
| Mar 2026 | 10,575 | 57.0% | 29.6 min |
| May 2026 | 2,828 | 54.0% | 25.3 min |
| Jun 2026 | 533 | 65.9% | 33.6 min |
| Jul 2026 | 1,537 | 72.2% | 39.8 min |
| Aug 2026 | 1,297 | 68.5% | 35.9 min |
| Sep 2026 | 1,182 | 65.4% | 32.4 min |
| Oct 2026 | 538 | 66.5% | 33.7 min |
| Departure airport | Departures sampled | Late | Average lateness |
|---|---|---|---|
| Seattle-Tacoma International (SEA) | 5,525 | 62.7% | 30.6 min |
| Los Angeles International (LAX) | 5,129 | 59.3% | 28.4 min |
| John F Kennedy International (JFK) | 1,525 | 89.3% | 50.2 min |
| San Francisco International (SFO) | 1,447 | 60.1% | 31.1 min |
| Portland International (PDX) | 1,385 | 47.2% | 21.8 min |
| San Diego (SAN) | 1,167 | 75.2% | 32.8 min |
| Boise Air Terminal/Gowen Field (BOI) | 507 | 35.5% | 20.4 min |
| Las Vegas (LAS) | 496 | 63.3% | 33.7 min |
| Santa Ana (SNA) | 425 | 37.4% | 21.6 min |
| Washington Dulles International (IAD) | 411 | 77.4% | 36.4 min |
5 active registered aircraft.
| Aircraft type | Aircraft |
|---|---|
| Boeing 737 NG | 4 |
| Boeing 737 Classic | 1 |
GET /flight_delays filtered by airline_iata=AS returns the flights delayed at this moment: flight number, scheduled and actual times and minutes of delay.
https://www.goflightlabs.com/flight_delays?access_key=YOUR_ACCESS_KEY&delay=15&type=departures&airline_iata=AS
That URL still says YOUR_ACCESS_KEY.
A 7-day trial replaces it with a real key. After the trial, Starter is $24.99/mo.