Of 539 sampled TW departures, 81.3% left 15 minutes or more behind schedule. Average lateness was 26.5 minutes. Sample window: Nov 3, 2025 to Oct 31, 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 | 38 | 97.4% | 33.3 min |
| Sep 2026 | 26 | 96.2% | 25.7 min |
| Oct 2026 | 35 | 91.4% | 33.4 min |
| Departure airport | Departures sampled | Late | Average lateness |
|---|---|---|---|
| Incheon International Airport (ICN) | 293 | 71.7% | 23.2 min |
| Frankfurt Main Airport (FRA) | 87 | 94.3% | 34.1 min |
| Charles de Gaulle International Airport (CDG) | 80 | 92.5% | 28.1 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.
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