Of 782 sampled departures, 49.6% left 15 minutes or more behind schedule. Average lateness was 35.6 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 |
|---|---|---|---|
| American Airlines (AA) | 100 | 64.0% | 53.4 min |
| Delta Air Lines (DL) | 179 | 59.2% | 46.3 min |
| United Airlines (UA) | 147 | 58.5% | 46.3 min |
| Envoy Air Inc. (MQ) | 171 | 48.5% | 23.5 min |
| SkyWest Airlines (OO) | 24 | 45.8% | 17.9 min |
49.6% of this XNA 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 XNA departures that are late right now, in the JSON above.
After the trial, Starter is $24.99/mo.