EWR · Newark Liberty International Airport
Newark, NJ. All airports.
Share of flights 15+ min late, by month
departures
arrivals
usual for the month (departures)
Jan 2015 → Jul 2026; gridlines 10/20/30/40%
Recent months — departures
| Month | Flights | Late 15+ | vs usual | Cancelled | Avg min | Main cause |
|---|---|---|---|---|---|---|
| Jul 2026 | 10,116 | 26.9% | -5.4 | 8.2% | 30 | Late aircraft |
| Jun 2026 | 9,967 | 18.6% | -7.6 | 1.5% | 17 | Late aircraft |
| May 2026 | 10,300 | 12.8% | -10.9 | 0.9% | 10 | Airline |
| Apr 2026 | 10,358 | 13.9% | -8.2 | 0.7% | 10 | Late aircraft |
| Mar 2026 | 10,755 | 23.2% | +3.2 | 2.3% | 18 | Late aircraft |
| Feb 2026 | 9,244 | 18.6% | -0.5 | 7.9% | 13 | Late aircraft |
| Jan 2026 | 9,977 | 19.6% | -0.9 | 6.4% | 14 | Airline |
| Dec 2025 | 10,652 | 27.2% | -4.3 | 2.6% | 22 | Late aircraft |
| Nov 2025 | 10,403 | 21.2% | +0.6 | 4.4% | 18 | Late aircraft |
| Oct 2025 | 10,578 | 20.2% | +1.7 | 1.0% | 15 | Air traffic |
| Sep 2025 | 9,945 | 16.1% | -2.2 | 1.1% | 14 | Late aircraft |
| Aug 2025 | 10,410 | 23.4% | -4.1 | 1.2% | 21 | Late aircraft |
| Jul 2025 | 10,478 | 30.3% | -2.0 | 6.8% | 32 | Late aircraft |
| Jun 2025 | 9,048 | 23.4% | -10.2 | 2.3% | 23 | Late aircraft |
| May 2025 | 9,070 | 29.8% | +6.2 | 5.0% | 30 | Late aircraft |
| Apr 2025 | 9,507 | 22.1% | -2.0 | 1.7% | 20 | Late aircraft |
| Mar 2025 | 10,648 | 18.6% | -5.0 | 0.9% | 14 | Late aircraft |
| Feb 2025 | 9,403 | 19.1% | -1.7 | 1.2% | 14 | Late aircraft |
| Jan 2025 | 10,144 | 17.3% | -7.1 | 2.1% | 12 | Late aircraft |
| Dec 2024 | 10,865 | 25.4% | -6.2 | 0.7% | 18 | Late aircraft |
| Nov 2024 | 10,698 | 21.4% | +0.8 | 0.3% | 15 | Late aircraft |
| Oct 2024 | 11,260 | 15.2% | -4.4 | 1.1% | 11 | Late aircraft |
| Sep 2024 | 10,572 | 14.4% | -5.7 | 0.9% | 11 | Late aircraft |
| Aug 2024 | 10,861 | 26.1% | -4.6 | 7.3% | 26 | Late aircraft |
Airlines here, Aug 2025 (departures)
| Airline | Flights | Late | Canc. |
|---|---|---|---|
| Allegiant | 73 | 11.0% | 0.0% |
| Republic | 1,980 | 19.6% | 2.0% |
| Envoy | 63 | 22.2% | 0.0% |
| Spirit | 769 | 22.7% | 1.3% |
| Delta | 598 | 24.2% | 0.7% |
| American | 513 | 24.3% | 1.9% |
| United | 5,516 | 24.5% | 0.9% |
| Alaska | 291 | 24.7% | 1.0% |
| JetBlue | 514 | 25.3% | 1.0% |
| Frontier | 93 | 30.4% | 1.1% |
Airlines with 30+ departures that month.
Worst days on record
| Date | Flights | Late | Canc. |
|---|---|---|---|
| 2015-01-27 | 294 | 100% | 100% |
| 2016-01-23 | 184 | — | 100% |
| 2016-01-24 | 248 | 100% | 96% |
| 2022-01-29 | 232 | 100% | 100% |
| 2026-02-23 | 343 | — | 100% |
| 2017-03-14 | 330 | 60% | 98% |
| 2025-12-14 | 358 | 96% | 23% |
| 2018-01-04 | 388 | 0% | 96% |
| 2021-02-01 | 148 | 59% | 89% |
| 2026-01-25 | 340 | 22% | 91% |
| 2026-01-26 | 340 | 82% | 56% |
| 2017-02-09 | 323 | 65% | 76% |
Departures; ranked by share late or cancelled.
FAA programs, last 90 days
| Started (UTC) | What | Hours |
|---|---|---|
| 2026-10-17 20:30 | Departure delays | 3.0 |
| 2026-10-17 20:00 | Arrival delays | 0.5 |
| 2026-10-17 19:45 | Ground stop | 1.0 |
| 2026-10-17 17:00 | Ground delay program | 9.8 |
| 2026-10-16 22:45 | Departure delays | 5.3 |
| 2026-10-16 22:15 | Ground stop | 3.2 |
| 2026-10-16 20:15 | Ground delay program | 6.2 |
| 2026-10-16 14:15 | Departure delays | 0.8 |
| 2026-10-16 12:00 | Departure delays | 1.2 |