Of 9,208 sampled 5X departures, 23.0% left 15 minutes or more behind schedule. Average lateness was 7.7 minutes. Sample window: Nov 2, 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 | 274 | 14.6% | 6.6 min |
| Dec 2025 | 308 | 22.7% | 15.8 min |
| Jan 2026 | 1,083 | 28.3% | 7.4 min |
| Feb 2026 | 171 | 1.2% | 4.5 min |
| Mar 2026 | 4,002 | 28.6% | 8.5 min |
| Apr 2026 | 308 | 2.9% | 4.7 min |
| May 2026 | 1,041 | 23.4% | 3.2 min |
| Jun 2026 | 230 | 13.5% | 10.1 min |
| Jul 2026 | 521 | 15.6% | 7.6 min |
| Aug 2026 | 467 | 12.9% | 6.8 min |
| Sep 2026 | 362 | 13.8% | 7.2 min |
| Oct 2026 | 441 | 18.8% | 9.8 min |
| Departure airport | Departures sampled | Late | Average lateness |
|---|---|---|---|
| Cologne Bonn Airport (CGN) | 2,445 | 2.2% | 4.5 min |
| Louisville Muhammad Ali International Airport (SDF) | 1,676 | 30.0% | -1.4 min |
| Dallas Fort Worth International Airport (DFW) | 333 | 35.7% | 15.4 min |
| John F. Kennedy International Airport (JFK) | 282 | 82.3% | 30.9 min |
| Ontario International Airport (ONT) | 214 | 31.3% | 5.7 min |
| East Midlands Airport (EMA) | 195 | 16.9% | 12.3 min |
| Washington Dulles International Airport (IAD) | 167 | 21.6% | 12.1 min |
| London Stansted Airport (STN) | 167 | 0.0% | 0.1 min |
| Miami International Airport (MIA) | 152 | 56.6% | 33.7 min |
| Los Angeles International Airport (LAX) | 133 | 13.5% | -5.9 min |
23 active registered aircraft.
| Aircraft type | Aircraft |
|---|---|
| Boeing 757 | 12 |
| Airbus A300/A310 | 4 |
| Boeing 767 | 4 |
| Boeing 747 | 2 |
| McDonnell Douglas DC | 1 |
GET /flight_delays filtered by airline_iata=5X returns the flights delayed at this moment: flight number, scheduled and actual times and minutes of delay.
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