Route
EWR → ORD
Newark Liberty International Airport Chicago O'Hare International Airport
How punctual is this route?
- On-time arrivals
- 70.7%
- Less than 15 minutes late
- Cancelled
- 3.9%
- Of scheduled flights
- Average delay when late
- 89 min
- Flights arriving 15+ minutes late
- Flights tracked
- 6,123
- Scheduled flights in the period
What caused the delays
- Air traffic control & airport 41%
- Late-arriving aircraft 33%
- Airline (crew, maintenance, cleaning) 19%
- Extreme weather 7%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 80.5% | 474 |
| October 2025 | 60.2% | 502 |
| November 2025 | 64.7% | 521 |
| December 2025 | 67.9% | 511 |
| January 2026 | 73.2% | 479 |
| February 2026 | 78.2% | 439 |
| March 2026 | 65.6% | 510 |
| April 2026 | 78.1% | 532 |
| May 2026 | 79.9% | 552 |
| June 2026 | 73.0% | 528 |
| July 2026 | 67.0% | 525 |
| August 2026 | 61.5% | 550 |
Source: U.S. DOT Bureau of Transportation Statistics on-time data, September 2025 – August 2026. Covers flights operated by reporting U.S. carriers. About our data
Airlines on this route
| Airline | Flights | On time | Cancelled | Avg. delay when late |
|---|---|---|---|---|
| United Airlines | 4,415 | 70.3% | 2.8% | 84 min |
| American Airlines | 924 | 76.8% | 4.8% | 118 min |
| Envoy Air | 533 | 72.2% | 6.2% | 87 min |
| NK | 149 | 51.6% | 16.8% | 106 min |
| Republic Airways | 102 | 52.8% | 11.8% | 85 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
-
UA661
52% late · 346 flights
-
UA1525
23% late · 340 flights
-
UA1875
22% late · 330 flights
-
UA546
33% late · 329 flights
-
UA254
56% late · 306 flights
-
AA1936
31% late · 242 flights
-
UA2053
25% late · 241 flights
-
UA2164
15% late · 208 flights
-
UA2290
18% late · 176 flights
-
UA2100
16% late · 162 flights
-
MQ3848
26% late · 151 flights
-
MQ3355
29% late · 119 flights
-
UA2488
16% late · 103 flights
-
UA2788
54% late · 103 flights
-
UA533
23% late · 100 flights
-
UA530
10% late · 98 flights
-
NK108
50% late · 96 flights
-
AA3027
12% late · 89 flights
-
UA1206
29% late · 83 flights
-
UA1965
41% late · 83 flights
-
UA2009
36% late · 81 flights
-
AA2250
45% late · 76 flights
-
AA3170
17% late · 76 flights
-
AA3185
14% late · 76 flights
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