Of 1,536 sampled OU departures, 81.8% left 15 minutes or more behind schedule. Average lateness was 30.4 minutes. Sample window: Oct 16, 2025 to Oct 15, 2026. Its published schedule has about 42 flights a week on 7 routes.
These are historical aggregates, not live status. A departure is late at 15 minutes past schedule.
| Month | Departures sampled | Late | Average lateness |
|---|---|---|---|
| Nov 2025 | 108 | 86.1% | 28.1 min |
| Dec 2025 | 112 | 85.7% | 26.4 min |
| Jan 2026 | 40 | 82.5% | 55.2 min |
| Feb 2026 | 44 | 86.4% | 27.5 min |
| Mar 2026 | 58 | 63.8% | 13.5 min |
| Apr 2026 | 56 | 80.4% | 26.4 min |
| May 2026 | 127 | 67.7% | 26.6 min |
| Jun 2026 | 131 | 83.2% | 35.3 min |
| Jul 2026 | 219 | 86.8% | 31.8 min |
| Aug 2026 | 250 | 82.4% | 33.3 min |
| Sep 2026 | 251 | 84.5% | 31.0 min |
| Oct 2026 | 121 | 79.3% | 27.5 min |
| Departure airport | Departures sampled | Late | Average lateness |
|---|---|---|---|
| Frankfurt International Airport (FRA) | 431 | 90.3% | 30.5 min |
| Charles De Gaulle (CDG) | 283 | 87.3% | 29.1 min |
| Brussels Airport (BRU) | 197 | 83.3% | 31.0 min |
| Schiphol (AMS) | 155 | 94.8% | 40.2 min |
| Kastrup (CPH) | 135 | 63.7% | 21.4 min |
| Arlanda (ARN) | 72 | 50.0% | 18.7 min |
| Heathrow (LHR) | 43 | 88.4% | 45.7 min |
| ZAG | 42 | 47.6% | 17.0 min |
| Hamburg Airport (HAM) | 35 | 74.3% | 31.5 min |
| Gatwick (LGW) | 26 | 100.0% | 51.3 min |
GET /flight_delays filtered by airline_iata=OU 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=OU
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.