Historical on-time performance
Philadelphia to Grand Rapids
573 miData through Dec 2025Source: US DOT · BTS
Flights on PHL–GRR arrive on time 78% of the time over the last 12 months.
On-time rate78%arrived within 15 min
p90 delay55 min1 in 10 flights is worse (tail risk)
Cancelled2.1%of scheduled flights
based on 97 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- PSA AirlinesOn-time78%Medianon timep9055 minCancel2.1%Flights97
Why flights run late
Delay causes
- Airline51%
- Weather0%
- Air traffic (NAS)7%
- Late aircraft42%
- Security0%
Most delay minutes here are attributed to Airline.
Over time
On-time trend
By season
On-time rate by month
When to fly
Best time to fly PHL → GRR
All airlines · rolling 36 months (2023-01 .. 2025-12).
Best time of day
Mornings are the most reliable time of day to fly this route — 93% on time.
- Mornings93% on time · p90 on time · 60 flights · limited
- Overnights69% on time · p90 90 min · 94 flights · limited
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