Of 1,596 sampled JU departures, 80.5% left 15 minutes or more behind schedule. Average lateness was 37.8 minutes. Sample window: Oct 16, 2025 to Oct 15, 2026. Its published schedule has about 15 flights a week on 3 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 | 98 | 71.4% | 34.0 min |
| Dec 2025 | 89 | 85.4% | 31.5 min |
| Jan 2026 | 80 | 66.3% | 39.2 min |
| Feb 2026 | 72 | 75.0% | 31.5 min |
| Mar 2026 | 84 | 58.3% | 23.6 min |
| Apr 2026 | 90 | 81.1% | 29.0 min |
| May 2026 | 163 | 62.6% | 25.0 min |
| Jun 2026 | 122 | 86.9% | 40.4 min |
| Jul 2026 | 214 | 89.3% | 46.6 min |
| Aug 2026 | 229 | 88.2% | 46.4 min |
| Sep 2026 | 220 | 88.6% | 41.3 min |
| Oct 2026 | 95 | 88.4% | 43.8 min |
| Departure airport | Departures sampled | Late | Average lateness |
|---|---|---|---|
| Charles De Gaulle (CDG) | 223 | 91.5% | 46.5 min |
| Düsseldorf International Airport (DUS) | 191 | 61.3% | 24.0 min |
| Kastrup (CPH) | 145 | 69.7% | 33.2 min |
| John F Kennedy International (JFK) | 142 | 95.8% | 58.8 min |
| Arlanda (ARN) | 140 | 82.1% | 39.9 min |
| Schiphol (AMS) | 138 | 95.7% | 46.6 min |
| Frankfurt International Airport (FRA) | 136 | 91.2% | 35.5 min |
| Gardermoen (OSL) | 116 | 73.3% | 33.2 min |
| Heathrow (LHR) | 87 | 96.6% | 44.6 min |
| Brussels Airport (BRU) | 70 | 77.1% | 29.4 min |
GET /flight_delays filtered by airline_iata=JU 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=JU
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.