Of 3,531 sampled departures, 56.8% left 15 minutes or more behind schedule. Average lateness was 36.2 minutes. Sample window: Jan 16, 2026 to May 7, 2026.
These are historical aggregates, not live status. A departure is late at 15 minutes past schedule.
| Airline | Flights sampled | Late | Average lateness |
|---|---|---|---|
| ChallengAir (1I) | 75 | 84.0% | 33.7 min |
| Porter Airlines Inc. (PD) | 32 | 78.1% | 37.1 min |
| Southwest Airlines Co. (WN) | 554 | 77.6% | 43.3 min |
| Frontier Airlines, Inc. (F9) | 136 | 75.0% | 59.0 min |
| Air Canada (AC) | 69 | 72.5% | 57.8 min |
56.8% of this RSW 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 RSW departures that are late right now, in the JSON above.
After the trial, Starter is $24.99/mo.
