Of 2,791 sampled JL departures, 86.1% left 15 minutes or more behind schedule. Average lateness was 36.0 minutes. Sample window: Oct 19, 2025 to Oct 16, 2026. Its published schedule has about 1,002 flights a week on 85 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 | 138 | 75.4% | 28.7 min |
| Dec 2025 | 145 | 86.2% | 32.2 min |
| Jan 2026 | 185 | 73.5% | 38.8 min |
| Mar 2026 | 536 | 79.9% | 39.1 min |
| May 2026 | 915 | 92.8% | 35.6 min |
| Jun 2026 | 82 | 89.0% | 33.3 min |
| Jul 2026 | 202 | 83.2% | 36.6 min |
| Aug 2026 | 224 | 89.3% | 38.9 min |
| Sep 2026 | 224 | 88.4% | 34.7 min |
| Oct 2026 | 110 | 87.3% | 33.6 min |
| Departure airport | Departures sampled | Late | Average lateness |
|---|---|---|---|
| Haneda Airport (HND) | 709 | 94.9% | 33.7 min |
| Los Angeles International (LAX) | 510 | 91.8% | 37.0 min |
| John F Kennedy International (JFK) | 216 | 64.4% | 22.5 min |
| Narita International Airport (NRT) | 170 | 95.9% | 41.4 min |
| Frankfurt International Airport (FRA) | 144 | 88.2% | 29.7 min |
| Washington Dulles International (IAD) | 118 | 78.8% | 49.0 min |
| Charles De Gaulle (CDG) | 100 | 91.0% | 38.2 min |
| Heathrow (LHR) | 96 | 97.9% | 35.7 min |
| San Francisco International (SFO) | 81 | 74.1% | 33.1 min |
| Chicago O'hare International (ORD) | 54 | 94.4% | 47.6 min |
1 active registered aircraft.
| Aircraft type | Aircraft |
|---|---|
| Embraer EMB-170/EMB- | 1 |
GET /flight_delays filtered by airline_iata=JL 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=JL
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.