Chicago (ORD) to Newark (EWR): On-Time Performance
Data through May 2026
When you fly ORD to EWR matters as much as anything else about the booking: the route swung from 83% on-time in September 2024 to just 47% in May 2025. Across the full period the route averages 69% on-time against a national 78%. Morning departures also hold up better than evening ones (82% vs 58%), which matters most in the rough months.
- On-time
- 69%
- arrived <15 min late
- Avg delay
- 27 min
- completed flights
- Cancelled
- 2.5%
- Flights/day
- 16
- last 12 months
- Duration
- 2h 18m
- scheduled
- Distance
- 719 mi
Best airline from ORD to EWR
5 airlines flew this route regularly between 2024-06 and 2026-05.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| Envoy Airmost reliable | 73% | 18 min | 4.6% | 1,466 |
| United Airlines | 72% | 26 min | 1.7% | 8,634 |
| Republic Airways | 65% | 24 min | 5.4% | 203 |
| American Airlines | 58% | 36 min | 3.3% | 1,517 |
| Spirit Airlines | 56% | 40 min | 6.4% | 501 |
Monthly on-time trend
Best time to fly from ORD to EWR
Aim for departures around 5 a.m. (96% on-time); avoid 8 p.m. departures (54%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 70% | 27 min |
| Tuesdaybest | 76% | 19 min |
| Wednesday | 71% | 24 min |
| Thursday | 65% | 32 min |
| Friday | 66% | 28 min |
| Saturday | 72% | 28 min |
| Sunday | 66% | 31 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft31%
- Airline operations18%
- National airspace system43%
- Weather8%
Frequently asked questions
- How often are flights from ORD to EWR delayed?
- 31% of ORD–EWR flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-06 and 2026-05. The average arrival delay across completed flights was 27 minutes.
- Which airline is most reliable from ORD to EWR?
- Envoy Air has the best on-time record on this route at 73%, based on 1,466 flights. 5 airlines flew ORD–EWR frequently enough to compare in this period.
- What is the best time of day to fly from ORD to EWR?
- Departures around 5 a.m. have the best record (96% on-time), while departures around 8 p.m. have the worst (54%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from ORD to EWR?
- The scheduled ORD–EWR flight time averages 2h 18m over 719 miles. Actual arrival times vary — flights on this route land 15+ minutes late 31% of the time.
- How often are ORD to EWR flights cancelled?
- 2.5% of scheduled flights on this route were cancelled between 2024-06 and 2026-05, slightly above the national rate of 1.6%.
- What is the worst month to fly from ORD to EWR?
- May 2025 was the roughest month in this dataset, with only 47% of arrivals on time. The best was September 2024 at 83%. If your dates are flexible, that 36-point gap is worth planning around.
Explore related pages
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Based on 12,321 flights, 2024-06–2026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.