Of 1,696 sampled LY departures, 88.7% left 15 minutes or more behind schedule. Average lateness was 49.7 minutes. Sample window: Oct 20, 2025 to Oct 15, 2026. Its published schedule has about 330 flights a week on 23 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 | 99 | 79.8% | 28.7 min |
| Dec 2025 | 94 | 75.5% | 35.9 min |
| Jan 2026 | 104 | 87.5% | 45.8 min |
| Feb 2026 | 59 | 86.4% | 33.8 min |
| Mar 2026 | 68 | 75.0% | 40.2 min |
| Apr 2026 | 32 | 93.8% | 45.2 min |
| May 2026 | 150 | 91.3% | 44.7 min |
| Jun 2026 | 130 | 91.5% | 55.6 min |
| Jul 2026 | 246 | 88.2% | 50.3 min |
| Aug 2026 | 282 | 92.9% | 66.3 min |
| Sep 2026 | 269 | 91.5% | 53.9 min |
| Oct 2026 | 146 | 91.8% | 46.2 min |
| Departure airport | Departures sampled | Late | Average lateness |
|---|---|---|---|
| Charles De Gaulle (CDG) | 409 | 96.6% | 61.6 min |
| John F Kennedy International (JFK) | 315 | 71.4% | 36.9 min |
| Schiphol (AMS) | 204 | 98.0% | 52.6 min |
| Luton Airport (LTN) | 163 | 99.4% | 52.6 min |
| Los Angeles International (LAX) | 151 | 92.7% | 30.9 min |
| Frankfurt International Airport (FRA) | 100 | 61.0% | 51.3 min |
| Heathrow (LHR) | 97 | 99.0% | 57.8 min |
| Marseille Provence Airport (MRS) | 52 | 98.1% | 55.1 min |
| Newark Liberty International (EWR) | 40 | 70.0% | 33.5 min |
| Kastrup (CPH) | 32 | 100.0% | 76.2 min |
GET /flight_delays filtered by airline_iata=LY 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=LY
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.