Of 3,386 sampled departures, 31.0% left 15 minutes or more behind schedule. Average lateness was 15.0 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 |
|---|---|---|---|
| KLM (KL) | 208 | 54.8% | 22.0 min |
| Easyjet Airline Company Limited (U2) | 344 | 48.0% | 19.7 min |
| ALM (LM) | 922 | 33.4% | 15.1 min |
| GAS Air Nigeria (GR) | 479 | 31.3% | 18.2 min |
| Aer Lingus (EI) | 401 | 28.9% | 11.4 min |
31.0% of this SOU 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 SOU departures that are late right now, in the JSON above.
After the trial, Starter is $24.99/mo.