Of 124 sampled KF departures, 57.3% left 15 minutes or more behind schedule. Average lateness was 16.6 minutes. Sample window: Oct 20, 2025 to Oct 13, 2026. Its published schedule has about 5 flights a week on 2 routes.
These are historical aggregates, not live status. A departure is late at 15 minutes past schedule.
| Departure airport | Departures sampled | Late | Average lateness |
|---|---|---|---|
| Brussels Airport (BRU) | 124 | 57.3% | 16.6 min |
GET /flight_delays filtered by airline_iata=KF 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=KF
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.