Historical on-time performance
Newark to Chicago
Flights on EWR–ORD arrive on time 70% of the time over the last 12 months.
based on 5,698 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
Too close to call — no single carrier is clearly more on-time here.
- American AirlinesOn-time73%Medianon timep9095 minCancel4.1%Flights586
- Envoy AirOn-time69%Medianon timep9065 minCancel5.1%Flights721
- United AirlinesOn-time69%Medianon timep9065 minCancel2.1%Flights4,330
- Spirit AirlinesOn-time64%Medianon timep90100 minCancel13.1%Flights61
Why flights run late
Delay causes
- Airline20%
- Weather6%
- Air traffic (NAS)40%
- Late aircraft34%
- Security0%
Most delay minutes here are attributed to Air traffic (NAS).
When flights don't go
Why flights were cancelled
- Airline6%
- Weather79%
- Air traffic (NAS)16%
- Security0%
Most cancellations here are attributed to Weather. Shares are among 161 cancellations with a reported cause (BTS reports causes from June 2003).
Over time
On-time trend
By season
On-time rate by month
When to fly
Best time to fly EWR → ORD
All airlines · rolling 36 months (2023-06 .. 2026-05).
Best time of day
Mornings are the most reliable time of day to fly this route — 84% on time.
- Mornings84% on time · p90 20 min · 5,318 flights
- Middays78% on time · p90 40 min · 4,785 flights
- Overnights65% on time · p90 85 min · 1,815 flights
- Afternoons64% on time · p90 85 min · 2,290 flights
- Evenings51% on time · p90 110 min · 3,641 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 67% to 76% on time.
- Tuesdays76% on time · p90 50 min · 2,531 flights
- Wednesdays73% on time · p90 65 min · 2,573 flights
- Saturdays72% on time · p90 65 min · 2,293 flights
- Mondays72% on time · p90 60 min · 2,607 flights
- Thursdays71% on time · p90 65 min · 2,601 flights
- Sundays68% on time · p90 65 min · 2,633 flights
- Fridays67% on time · p90 75 min · 2,611 flights
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