Of 878 sampled departures, 25.5% left 15 minutes or more behind schedule. Average lateness was 15.9 minutes. Sample window: Jan 16, 2026 to Mar 27, 2026.
These are historical aggregates, not live status. A departure is late at 15 minutes past schedule.
| Airline | Flights sampled | Late | Average lateness |
|---|---|---|---|
| ChallengAir (1I) | 59 | 74.6% | 38.7 min |
| United Airlines (UA) | 61 | 67.2% | 46.1 min |
| American Airlines (AA) | 37 | 40.5% | 28.1 min |
| Envoy Air Inc. (MQ) | 47 | 27.7% | 19.7 min |
| Southwest Airlines Co. (WN) | 150 | 27.3% | 19.2 min |
25.5% of this MAF sample left 15 minutes late or more.
GET /flight_delays returns the ones that are late at this moment: airline, flight number, scheduled time, actual time and minutes of delay.
Field names match the live API. This flight only shows the shape. It is not a live result.
That URL still says YOUR_ACCESS_KEY.
A 7-day trial replaces it with a real key and returns the MAF departures that are late right now, in the JSON above.
After the trial, Starter is $24.99/mo.