Of 3,261 sampled departures, 33.0% left 15 minutes or more behind schedule. Average lateness was 18.6 minutes. Sample window: Oct 19, 2025 to Oct 17, 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) | 50 | 54.0% | 37.0 min |
| Jet2.com Limited (LS) | 209 | 45.5% | 25.4 min |
| Ryanair Ltd. (FR) | 1,938 | 39.0% | 23.1 min |
33.0% 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.
