Of 1,207 sampled departures, 24.5% left 15 minutes or more behind schedule. Average lateness was 16.0 minutes. Sample window: Jan 16, 2026 to Mar 27, 2026.
These are historical aggregates, not live status. A departure is late at 15 minutes past schedule.
| Airline | Flights sampled | Late | Average lateness |
|---|---|---|---|
| United Airlines (UA) | 54 | 72.2% | 61.4 min |
| ChallengAir (1I) | 49 | 71.4% | 30.8 min |
| American Airlines (AA) | 109 | 60.6% | 32.6 min |
| Envoy Air Inc. (MQ) | 50 | 52.0% | 39.4 min |
| Allegiant Air LLC (G4) | 37 | 48.7% | 33.1 min |
24.5% of this LEX 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 LEX departures that are late right now, in the JSON above.
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