Of 489 sampled Z0 departures, 88.6% left 15 minutes or more behind schedule. Average lateness was 43.4 minutes. Sample window: Oct 17, 2025 to Oct 16, 2026.
These are historical aggregates, not live status. A departure is late at 15 minutes past schedule.
| Month | Departures sampled | Late | Average lateness |
|---|---|---|---|
| Nov 2025 | 33 | 72.7% | 33.4 min |
| Dec 2025 | 54 | 85.2% | 54.7 min |
| Mar 2026 | 53 | 94.3% | 40.4 min |
| Apr 2026 | 30 | 66.7% | 18.7 min |
| May 2026 | 20 | 85.0% | 22.7 min |
| Jun 2026 | 32 | 100.0% | 33.7 min |
| Jul 2026 | 63 | 93.7% | 40.5 min |
| Aug 2026 | 70 | 97.1% | 40.0 min |
| Sep 2026 | 64 | 93.8% | 60.2 min |
| Oct 2026 | 23 | 91.3% | 34.4 min |
| Departure airport | Departures sampled | Late | Average lateness |
|---|---|---|---|
| Gatwick (LGW) | 298 | 85.9% | 42.2 min |
| John F Kennedy International (JFK) | 150 | 95.3% | 48.8 min |
| Manchester Airport (MAN) | 21 | 76.2% | 36.8 min |
GET /flight_delays filtered by airline_iata=Z0 returns the flights delayed at this moment: flight number, scheduled and actual times and minutes of delay.
https://www.goflightlabs.com/flight_delays?access_key=YOUR_ACCESS_KEY&delay=15&type=departures&airline_iata=Z0
That URL still says YOUR_ACCESS_KEY.
A 7-day trial replaces it with a real key. After the trial, Starter is $24.99/mo.