Of 3,312 sampled departures, 32.5% left 15 minutes or more behind schedule. Average lateness was 18.5 minutes. Sample window: Nov 2, 2025 to Oct 31, 2026.
These are historical aggregates, not live status. A departure is late at 15 minutes past schedule.
| Airline | Flights sampled | Late | Average lateness |
|---|---|---|---|
| Transavia Airlines (HV) | 149 | 55.7% | 27.1 min |
| TUI Airways Limited (BY) | 33 | 54.6% | 29.1 min |
| R Airlines (RK) | 51 | 52.9% | 36.5 min |
| Jet2.com Limited (LS) | 223 | 44.4% | 24.7 min |
| Ryanair Ltd. (FR) | 1,949 | 38.5% | 23.1 min |
32.5% of this GRO 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 GRO departures that are late right now, in the JSON above.
After the trial, Starter is $24.99/mo.
