Of 5,042 sampled N4 departures, 3.8% left 15 minutes or more behind schedule. Average lateness was 1.7 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 | 50 | 2.0% | 0.3 min |
| Dec 2025 | 56 | 0.0% | 0.3 min |
| Jan 2026 | 903 | 1.4% | 0.6 min |
| Mar 2026 | 3,159 | 2.1% | 0.8 min |
| May 2026 | 376 | 3.7% | 2.4 min |
| Jun 2026 | 51 | 17.7% | 7.7 min |
| Jul 2026 | 132 | 30.3% | 14.4 min |
| Aug 2026 | 124 | 20.2% | 9.8 min |
| Sep 2026 | 101 | 12.9% | 5.8 min |
| Oct 2026 | 70 | 14.3% | 5.6 min |
| Departure airport | Departures sampled | Late | Average lateness |
|---|---|---|---|
| Pensacola (PNS) | 234 | 0.0% | 0.0 min |
| Los Angeles International (LAX) | 225 | 36.9% | 17.1 min |
| Washington Dulles International (IAD) | 209 | 0.5% | 0.1 min |
| Charleston, AFB Municipal (CHS) | 152 | 0.0% | 0.1 min |
| Long Beach Municipal (LGB) | 119 | 31.1% | 10.0 min |
| Santa Ana (SNA) | 118 | 8.5% | 4.4 min |
| John F Kennedy International (JFK) | 117 | 0.9% | 0.0 min |
| Lovell Field (CHA) | 113 | 0.9% | 0.3 min |
| Savannah/Hilton Head (SAV) | 106 | 0.0% | 0.0 min |
| Piedmont Triad International (GSO) | 105 | 0.0% | 0.0 min |
GET /flight_delays filtered by airline_iata=N4 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=N4
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.