Of 819 sampled K4 departures, 63.0% left 15 minutes or more behind schedule. Average lateness was 37.0 minutes. Sample window: Nov 3, 2025 to Oct 31, 2026.
These are historical aggregates, not live status. A departure is late at 15 minutes past schedule.
| Month | Departures sampled | Late | Average lateness |
|---|---|---|---|
| Nov 2025 | 77 | 41.6% | 23.8 min |
| Dec 2025 | 37 | 83.8% | 40.6 min |
| Jan 2026 | 80 | 68.8% | 40.3 min |
| Mar 2026 | 196 | 62.8% | 43.8 min |
| May 2026 | 92 | 48.9% | 25.3 min |
| Jun 2026 | 34 | 70.6% | 53.6 min |
| Jul 2026 | 75 | 70.7% | 43.1 min |
| Aug 2026 | 80 | 71.3% | 34.1 min |
| Sep 2026 | 69 | 73.9% | 28.8 min |
| Oct 2026 | 61 | 62.3% | 39.8 min |
| Departure airport | Departures sampled | Late | Average lateness |
|---|---|---|---|
| John F. Kennedy International Airport (JFK) | 196 | 77.0% | 41.5 min |
| Los Angeles International Airport (LAX) | 196 | 58.7% | 37.4 min |
| Chicago O'Hare International Airport (ORD) | 89 | 78.7% | 63.4 min |
| Brussels Airport (BRU) | 86 | 65.1% | 18.2 min |
| Cincinnati Northern Kentucky International Airport (CVG) | 53 | 47.2% | 26.3 min |
| Miami International Airport (MIA) | 41 | 73.2% | 43.8 min |
| Ted Stevens Anchorage International Airport (ANC) | 38 | 44.7% | 12.9 min |
| Incheon International Airport (ICN) | 25 | 0.0% | 0.0 min |
| Ontario International Airport (ONT) | 25 | 40.0% | 12.6 min |
3 active registered aircraft.
| Aircraft type | Aircraft |
|---|---|
| McDonnell Douglas DC | 2 |
| Boeing 747 | 1 |
GET /flight_delays filtered by airline_iata=K4 returns the flights delayed at this moment: flight number, scheduled and actual times and minutes of delay.
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