Historical on-time performance
Grand Rapids to Newark
605 miData through May 2026Source: US DOT · BTS
Flights on GRR–EWR arrive on time 76% of the time over the last 12 months.
On-time rate76%arrived within 15 min
p90 delay45 min1 in 10 flights is worse (tail risk)
Cancelled3.7%of scheduled flights
based on 787 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Republic AirwaysOn-time76%Medianon timep9045 minCancel3.7%Flights787
Why flights run late
Delay causes
- Airline21%
- Weather1%
- Air traffic (NAS)49%
- Late aircraft29%
- Security0%
Most delay minutes here are attributed to Air traffic (NAS).
When flights don't go
Why flights were cancelled
- Airline3%
- Weather62%
- Air traffic (NAS)34%
- Security0%
Most cancellations here are attributed to Weather. Shares are among 29 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 GRR → EWR
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 — 89% on time.
- Mornings89% on time · p90 10 min · 1,137 flights
- Middays79% on time · p90 40 min · 947 flights
- Afternoons64% on time · p90 85 min · 277 flights
- Evenings62% on time · p90 95 min · 165 flights · limited
Best day of week
On-time rates are fairly even by day on this route — ranging from 78% to 83% on time.
- Tuesdays83% on time · p90 20 min · 350 flights
- Wednesdays83% on time · p90 35 min · 350 flights
- Thursdays83% on time · p90 40 min · 390 flights
- Mondays80% on time · p90 35 min · 352 flights
- Saturdays80% on time · p90 25 min · 342 flights
- Fridays78% on time · p90 40 min · 359 flights
- Sundays78% on time · p90 40 min · 383 flights
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