Of 2,999 sampled KE departures, 76.8% left 15 minutes or more behind schedule. Average lateness was 27.0 minutes. Sample window: Oct 17, 2025 to Oct 15, 2026. Its published schedule has about 312 flights a week on 22 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 | 776 | 88.1% | 28.4 min |
| Dec 2025 | 197 | 88.3% | 38.1 min |
| Jan 2026 | 113 | 64.6% | 25.7 min |
| Mar 2026 | 241 | 70.5% | 27.5 min |
| Apr 2026 | 31 | 77.4% | 27.0 min |
| May 2026 | 709 | 80.7% | 25.7 min |
| Jun 2026 | 87 | 63.2% | 25.2 min |
| Jul 2026 | 209 | 67.0% | 24.9 min |
| Aug 2026 | 231 | 68.4% | 26.8 min |
| Sep 2026 | 251 | 63.0% | 25.3 min |
| Oct 2026 | 122 | 62.3% | 19.3 min |
| Departure airport | Departures sampled | Late | Average lateness |
|---|---|---|---|
| Seoul (Incheon) (ICN) | 1,226 | 91.0% | 28.2 min |
| Los Angeles International (LAX) | 361 | 51.5% | 16.0 min |
| John F Kennedy International (JFK) | 250 | 70.4% | 33.4 min |
| Washington Dulles International (IAD) | 208 | 82.2% | 30.5 min |
| Frankfurt International Airport (FRA) | 130 | 51.5% | 29.2 min |
| Schiphol (AMS) | 126 | 81.8% | 36.0 min |
| Charles De Gaulle (CDG) | 120 | 80.0% | 24.5 min |
| Heathrow (LHR) | 89 | 78.7% | 25.9 min |
| Chicago O'hare International (ORD) | 54 | 68.5% | 35.0 min |
| Ted Stevens Anchorage International Airport (ANC) | 48 | 31.3% | 10.2 min |
GET /flight_delays filtered by airline_iata=KE 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=KE
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.