Newark Liberty International (EWR) Delays and On-Time Departures
Newark, NJ · ranked 198th of 333 airports for on-time departures
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, Newark (EWR) had 122,705 scheduled departures and 79.8% of them left on time (US average 77.4%).
That ranks 198th of 333 US airports tracked on this site, with 3.1% of departures cancelled.
Allegiant Air was the most punctual airline here, with 87.8% of departures on time.
September has been the best month (85% on time) and Sunday the weakest day of the week (76%).
Best time of day to fly out of Newark (EWR)
On-time departure % by scheduled departure hour (local time), last 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 5am–6am | 91.2% | 3.0% | 4,522 |
| 6am–7am | 91.5% | 1.9% | 20,704 |
| 7am–8am | 89.8% | 1.7% | 19,271 |
| 8am–9am | 87.6% | 1.9% | 13,601 |
| 9am–10am | 86.7% | 1.9% | 15,752 |
| 10am–11am | 83.6% | 1.6% | 15,144 |
| 11am–12pm | 83.4% | 1.9% | 13,386 |
| 12pm–1pm | 80.1% | 1.6% | 9,612 |
| 1pm–2pm | 80.0% | 2.0% | 12,813 |
| 2pm–3pm | 77.5% | 2.3% | 14,801 |
| 3pm–4pm | 75.1% | 3.0% | 14,987 |
| 4pm–5pm | 75.3% | 3.7% | 16,736 |
| 5pm–6pm | 71.0% | 3.4% | 13,937 |
| 6pm–7pm | 70.4% | 3.8% | 15,643 |
| 7pm–8pm | 68.1% | 4.0% | 15,414 |
| 8pm–9pm | 65.4% | 4.1% | 13,109 |
| 9pm–10pm | 67.8% | 5.6% | 12,889 |
| 10pm–11pm | 58.2% | 7.3% | 2,825 |
| 11pm–12am | 58.4% | 10.6% | 113 |
Airlines at EWR ranked by on-time departures
Last 12 months. Airlines with fewer than 30 departures are marked “limited data”.
| Airline | On-time departures | On-time arrivals | Cancelled | Departures |
|---|---|---|---|---|
| Allegiant Air | 87.8% | 81.7% | 1.4% | 566 |
| Republic Airways | 86.0% | 83.5% | 4.8% | 24,222 |
| American Airlines | 80.6% | 80.1% | 3.5% | 6,506 |
| Alaska Airlines | 80.2% | 73.9% | 2.3% | 3,044 |
| United Airlines | 78.7% | 77.0% | 2.1% | 68,102 |
| Delta Air Lines | 78.6% | 79.5% | 3.6% | 6,635 |
| JetBlue | 77.9% | 74.6% | 3.3% | 5,087 |
| Frontier Airlines | 75.9% | 69.8% | 3.3% | 1,209 |
| Envoy Air | 75.5% | 73.3% | 5.5% | 596 |
| Spirit Airlines | 69.5% | 69.2% | 6.6% | 6,729 |
| SkyWest Airlines | Limited data | 9 | ||
80%+ good 70–79.9% fair <70% poor
Best day to fly out of EWR
On-time departures by day, 24 months.
Best month to fly out of EWR
On-time departures by month, 24 months.
Holiday travel at Newark (EWR)
On-time departures during holiday periods compared with all other days, last 24 months.
| Period | On-time departures | vs other days | Cancelled | Flights |
|---|---|---|---|---|
| Thanksgiving week (Tue before to Mon after) | 78.3% | -2.5 pts | 0.6% | 4,783 |
| Christmas & New Year (Dec 20 - Jan 3) | 70.3% | -10.5 pts | 2.1% | 10,057 |
| Summer peak (Jun 15 - Aug 15) | 72.4% | -8.5 pts | 5.8% | 41,323 |
| All other days | 80.8% | — | 2.3% | 189,096 |
Monthly on-time departure trend at EWR
On-time departure % each month, with the 12-month US average for reference.
Routes from Newark (EWR)
Every route from EWR with its own page, by number of flights (last 12 months, on-time arrivals).