Of 2,248 sampled departures, 87.9% left 15 minutes or more behind schedule. Average lateness was 30.1 minutes. Sample window: Dec 2, 2025 to Jun 4, 2026.
These are historical aggregates, not live status. A departure is late at 15 minutes past schedule.
| Airline | Flights sampled | Late | Average lateness |
|---|---|---|---|
| Japan Airlines (JL) | 709 | 94.9% | 33.7 min |
| All Nippon Airways (NH) | 741 | 93.1% | 31.0 min |
| Air Do (HD) | 90 | 87.8% | 27.6 min |
| United Airlines (UA) | 41 | 85.4% | 31.9 min |
| American Airlines (AA) | 23 | 82.6% | 50.9 min |
87.9% of this HND sample left 15 minutes late or more.
GET /flight_delays returns the ones that are late at this moment: airline, flight number, scheduled time, actual time and minutes of delay.
Field names match the live API. This flight only shows the shape. It is not a live result.
That URL still says YOUR_ACCESS_KEY.
A 7-day trial replaces it with a real key and returns the HND departures that are late right now, in the JSON above.
After the trial, Starter is $24.99/mo.