Of 518 sampled TW departures, 81.3% left 15 minutes or more behind schedule. Average lateness was 26.3 minutes. Sample window: Oct 18, 2025 to Oct 15, 2026. Its published schedule has about 89 flights a week on 10 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 | 187 | 78.6% | 25.2 min |
| Dec 2025 | 39 | 76.9% | 26.0 min |
| May 2026 | 146 | 71.9% | 22.9 min |
| Jul 2026 | 29 | 93.1% | 33.4 min |
| Aug 2026 | 36 | 97.2% | 34.0 min |
| Sep 2026 | 26 | 96.2% | 25.7 min |
| Departure airport | Departures sampled | Late | Average lateness |
|---|---|---|---|
| Seoul (Incheon) (ICN) | 293 | 71.7% | 23.2 min |
| Frankfurt International Airport (FRA) | 82 | 93.9% | 33.8 min |
| Charles De Gaulle (CDG) | 72 | 93.1% | 28.5 min |
| Narita International Airport (NRT) | 33 | 100.0% | 29.2 min |
GET /flight_delays filtered by airline_iata=TW 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=TW
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.