Of 46,556 sampled departures, 70.9% left 15 minutes or more behind schedule. Average lateness was 28.6 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 |
|---|---|---|---|
| Air Zimbabwe (Pvt) Ltd. (UM) | 29 | 100.0% | 56.2 min |
| Croatia Airlines (OU) | 26 | 100.0% | 51.3 min |
| Uzbekistan Airways (HY) | 21 | 100.0% | 53.6 min |
| Kenya Airways (KQ) | 39 | 97.4% | 38.9 min |
| Air Arabia (G9) | 101 | 96.0% | 68.8 min |
70.9% of this LGW 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 LGW departures that are late right now, in the JSON above.
After the trial, Starter is $24.99/mo.