Of 49,909 sampled departures, 71.1% left 15 minutes or more behind schedule. Average lateness was 37.5 minutes. Sample window: Nov 6, 2025 to Oct 29, 2026.
These are historical aggregates, not live status. A departure is late at 15 minutes past schedule.
| Airline | Flights sampled | Late | Average lateness |
|---|---|---|---|
| Southwest Airlines Co. (WN) | 3,057 | 86.7% | 45.3 min |
| Palau Micronesia Air (PD) | 262 | 79.8% | 38.3 min |
| Air Canada (AC) | 1,520 | 76.8% | 41.2 min |
| Frontier Airlines, Inc. (F9) | 407 | 76.4% | 50.6 min |
| Top Air (Turkey) (B6) | 1,148 | 74.5% | 41.1 min |
71.1% of this LGA 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 LGA departures that are late right now, in the JSON above.
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