Airports › Newark (EWR) › September 2025
Airport month · September 2025
Newark Liberty International in September 2025
BTS: A flight is counted as on time if it arrived less than 15 minutes after its scheduled time. Only carriers with at least 0.5 percent of domestic scheduled passenger revenue report.
In September 2025, reporting carriers scheduled 9,945 domestic departures from Newark Liberty International (EWR). 82.9% left less than 15 minutes late and 81.6% reached their destination on time; 1.1% were cancelled.
Nationally that month, 83.1% of flights departed on time and 82.8% arrived on time, so EWR departures were level with the national departure figure.
A year earlier, in September 2024, the airport had 10,572 departures with 84.9% leaving on time: a change of −2.0 points, with flights down 6%.
Flights arriving at EWR that month were on time 79.7% of the time (9,941 scheduled arrivals).
Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 37%, national aviation system 28% and air carrier 28%.
- On time 81.6%
- Arrived 15+ minutes late 17.1%
- Cancelled 1.1%
- Diverted 0.2%
September 2025 against a year earlier, the airport's year and the nation
| Measure | Sep 2025 | Sep 2024 | EWR, 12 months to Jul 2026 | All reported flights, Sep 2025 |
|---|---|---|---|---|
| Departed on time | 82.9% | 84.9% | 77.3% | 83.1% |
| Arrived on time | 81.6% | 83.2% | 75.3% | 82.8% |
| Cancelled | 1.1% | 0.9% | 3.1% | 0.5% |
| Average departure delay (late minutes only) | 13.8 min | 10.6 min | 17.0 min | 12.2 min |
| Scheduled departures a day | 332 | 352 | 336 | 18,748 |
| Scheduled departures | 9,945 | 10,572 | 122,705 | 562,439 |
Airlines that month
| Reporting carrier | Flights | Share | On time | Avg arrival delay | Cancelled |
|---|---|---|---|---|---|
| UA United Airlines | 5,403 | 54% | 80.4% | 3.4 min | 0.6% |
| YX Republic Airline | 1,991 | 20% | 85.2% | -3.8 min | 2.2% |
| NK Spirit Airlines | 710 | 7% | 80.0% | 3.1 min | 2.4% |
| DL Delta Air Lines | 572 | 6% | 84.1% | 7.8 min | 0.0% |
| AA American Airlines | 461 | 5% | 78.7% | 5.0 min | 1.3% |
| B6 JetBlue Airways | 329 | 3% | 86.6% | -0.9 min | 0.9% |
| AS Alaska Airlines | 292 | 3% | 79.1% | 2.4 min | 1.0% |
| F9 Frontier Airlines | 90 | 1% | 76.7% | -0.1 min | 0.0% |
| MQ Envoy Air | 60 | 1% | 73.3% | 6.0 min | 3.3% |
| G4 Allegiant Air | 37 | 0% | 100.0% | -12.4 min | 0.0% |
Busiest routes that month
| Route | Cities | Flights | On time | Avg arrival delay | Cancelled |
|---|---|---|---|---|---|
| EWR–ATL | Newark to Atlanta | 520 | 83.5% | 2.0 min | 0.4% |
| EWR–MCO | Newark to Orlando | 499 | 83.6% | 3.0 min | 1.0% |
| EWR–ORD | Newark to Chicago | 474 | 79.3% | 4.5 min | 1.3% |
| EWR–LAX | Newark to Los Angeles | 466 | 75.5% | 9.9 min | 1.1% |
| EWR–DTW | Newark to Detroit | 359 | 83.3% | 0.5 min | 1.4% |
| EWR–SFO | Newark to San Francisco | 357 | 74.8% | 8.8 min | 1.4% |
| EWR–BOS | Newark to Boston | 336 | 52.4% | 28.7 min | 3.0% |
| EWR–IAH | Newark to Houston | 327 | 87.5% | -6.0 min | 0.0% |
| EWR–DEN | Newark to Denver | 298 | 84.9% | -0.8 min | 0.7% |
| EWR–FLL | Newark to Fort Lauderdale | 292 | 81.2% | 4.5 min | 2.1% |
| EWR–DFW | Newark to Dallas/Fort Worth | 288 | 80.6% | 1.0 min | 0.7% |
| EWR–MIA | Newark to Miami | 283 | 77.4% | 8.0 min | 0.4% |
By scheduled departure hour
Delay causes
Questions and answers
How many flights left EWR on time in September 2025?
82.9% of 9,945 scheduled domestic departures left less than 15 minutes late, and 81.6% reached their destination on time. The national figures that month were 83.1% and 82.8%.
How does that compare with a year earlier?
In September 2024, 84.9% of 10,572 departures left on time and 0.9% were cancelled, against 82.9% and 1.1% in September 2025.
Provenance
Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for September 2025; public domain. Domestic scheduled flights by reporting carriers, totals and averages only. The site's data runs through July 2026. Full record for EWR · methodology · corrections.