Of 9,070 sampled 5X departures, 22.8% left 15 minutes or more behind schedule. Average lateness was 7.5 minutes. Sample window: Oct 16, 2025 to Oct 15, 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 | 281 | 14.2% | 6.5 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 | 229 | 13.1% | 8.6 min |
| Jul 2026 | 521 | 15.6% | 7.6 min |
| Aug 2026 | 459 | 11.6% | 6.3 min |
| Sep 2026 | 359 | 13.7% | 7.1 min |
| Oct 2026 | 191 | 15.2% | 6.3 min |
| Departure airport | Departures sampled | Late | Average lateness |
|---|---|---|---|
| Cologne/bonn (CGN) | 2,417 | 2.2% | 4.6 min |
| Louisville International (Standiford Field) (SDF) | 1,676 | 30.0% | -1.4 min |
| Dallas/Fort Worth International (DFW) | 330 | 35.8% | 15.4 min |
| John F Kennedy International (JFK) | 264 | 83.0% | 31.1 min |
| Ontario International (ONT) | 214 | 31.3% | 5.7 min |
| East Midlands (EMA) | 189 | 15.9% | 12.1 min |
| Miami International Airport (MIA) | 159 | 56.6% | 34.0 min |
| Washington Dulles International (IAD) | 157 | 21.7% | 11.9 min |
| London (STN) | 155 | 0.0% | 0.1 min |
| Los Angeles International (LAX) | 124 | 13.7% | -5.8 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.
https://www.goflightlabs.com/flight_delays?access_key=YOUR_ACCESS_KEY&delay=15&type=departures&airline_iata=5X
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.