Of 237 sampled ZE departures, 62.9% left 15 minutes or more behind schedule. Average lateness was 23.9 minutes. Sample window: Nov 3, 2025 to May 7, 2026. Its published schedule has about 14 flights a week on 2 routes.
These are historical aggregates, not live status. A departure is late at 15 minutes past schedule.
| Month | Departures sampled | Late | Average lateness |
|---|---|---|---|
| Nov 2025 | 113 | 64.6% | 26.4 min |
| Dec 2025 | 20 | 35.0% | 14.0 min |
| May 2026 | 104 | 66.4% | 23.2 min |
| Departure airport | Departures sampled | Late | Average lateness |
|---|---|---|---|
| Seoul (Incheon) (ICN) | 218 | 59.6% | 22.5 min |
GET /flight_delays filtered by airline_iata=ZE 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=ZE
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.