Grand Rapids (GRR) to Philadelphia (PHL): On-Time Performance
Data through May 2026
Grand Rapids (GRR) to Philadelphia (PHL) is a thinner route than most in this dataset — 234 departures over the past year, roughly 5 a week — so treat these numbers as indicative rather than definitive. Of the flights that did operate, 87% arrived on time, comfortably above the national average of 78%.
- On-time
- 87%
- arrived <15 min late
- Avg delay
- 14 min
- completed flights
- Cancelled
- 0.8%
- Flights/day
- 0.64
- last 12 months
- Duration
- 1h 54m
- scheduled
- Distance
- 573 mi
Monthly on-time trend
Best time to fly from GRR to PHL
Aim for departures around 6 a.m. (93% on-time); avoid 2 p.m. departures (85%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 89% | 9 min |
| Tuesday | 86% | 12 min |
| Wednesday | 82% | 22 min |
| Thursday | 80% | 22 min |
| Fridaybest | 90% | 7 min |
| Saturday | 90% | 4 min |
| Sunday | 89% | 22 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft33%
- Airline operations53%
- National airspace system8%
- Weather5%
Frequently asked questions
- How often are flights from GRR to PHL delayed?
- 13% of GRR–PHL 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 14 minutes.
- What is the best time of day to fly from GRR to PHL?
- Departures around 6 a.m. have the best record (93% on-time), while departures around 2 p.m. have the worst (85%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from GRR to PHL?
- The scheduled GRR–PHL flight time averages 1h 54m over 573 miles. Actual arrival times vary — flights on this route land 15+ minutes late 13% of the time.
- How often are GRR to PHL flights cancelled?
- 0.8% of scheduled flights on this route were cancelled between 2024-06 and 2026-05, at or below the national rate of 1.6%.
- What day of the week is most reliable for GRR to PHL?
- Friday flights have the best record at 90% on-time. Day-of-week differences on this route are meaningful — Thursday trails at 80%.
Explore related pages
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Based on 257 flights, 2024-06–2026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.