Of 14,383 sampled F9 departures, 61.6% left 15 minutes or more behind schedule. Average lateness was 40.3 minutes. Sample window: Nov 4, 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 | 316 | 62.3% | 43.2 min |
| Dec 2025 | 381 | 70.6% | 54.3 min |
| Jan 2026 | 2,191 | 53.1% | 32.1 min |
| Feb 2026 | 36 | 58.3% | 29.8 min |
| Mar 2026 | 7,292 | 62.0% | 42.4 min |
| Apr 2026 | 45 | 82.2% | 60.0 min |
| May 2026 | 1,936 | 59.4% | 33.9 min |
| Jun 2026 | 230 | 62.2% | 38.2 min |
| Jul 2026 | 486 | 72.4% | 45.7 min |
| Aug 2026 | 470 | 66.4% | 41.9 min |
| Sep 2026 | 497 | 67.2% | 44.8 min |
| Oct 2026 | 503 | 71.4% | 45.8 min |
| Departure airport | Departures sampled | Late | Average lateness |
|---|---|---|---|
| Los Angeles International Airport (LAX) | 1,795 | 65.8% | 38.3 min |
| Hartsfield Jackson Atlanta International Airport (ATL) | 1,189 | 73.1% | 45.6 min |
| Orlando International Airport (MCO) | 1,147 | 63.9% | 41.7 min |
| Denver International Airport (DEN) | 1,130 | 54.9% | 36.9 min |
| Washington Dulles International Airport (IAD) | 702 | 64.8% | 49.7 min |
| Dallas Fort Worth International Airport (DFW) | 662 | 63.9% | 37.8 min |
| Harry Reid International Airport (LAS) | 631 | 55.6% | 29.3 min |
| Philadelphia International Airport (PHL) | 502 | 59.4% | 44.3 min |
| Phoenix Sky Harbor International Airport (PHX) | 455 | 46.2% | 32.7 min |
| LaGuardia Airport (LGA) | 407 | 76.4% | 50.6 min |
GET /flight_delays filtered by airline_iata=F9 returns the flights delayed at this moment: flight number, scheduled and actual times and minutes of delay.
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