Of 1,177 sampled departures, 51.9% left 15 minutes or more behind schedule. Average lateness was 38.5 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 |
|---|---|---|---|
| Envoy Air Inc. (MQ) | 36 | 77.8% | 52.5 min |
| ChallengAir (1I) | 22 | 77.3% | 24.5 min |
| United Airlines (UA) | 160 | 75.6% | 64.6 min |
| Southwest Airlines Co. (WN) | 81 | 75.3% | 42.4 min |
| American Airlines (AA) | 137 | 73.7% | 53.1 min |
51.9% of this GRR 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 GRR departures that are late right now, in the JSON above.
After the trial, Starter is $24.99/mo.
