Of 1,496 sampled departures, 74.4% left 15 minutes or more behind schedule. Average lateness was 32.3 minutes. Sample window: Mar 31, 2026 to Oct 29, 2026.
These are historical aggregates, not live status. A departure is late at 15 minutes past schedule.
| Airline | Flights sampled | Late | Average lateness |
|---|---|---|---|
| THY - Turkish Airlines (TK) | 20 | 85.0% | 38.4 min |
| SWISS (LX) | 736 | 82.7% | 33.0 min |
| Lufthansa Cargo (LH) | 32 | 81.3% | 30.8 min |
| Edelweiss Air (WK) | 134 | 80.6% | 30.7 min |
| British Airways (BA) | 23 | 78.3% | 26.8 min |
74.4% of this ZRH 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 ZRH departures that are late right now, in the JSON above.
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