Grand Rapids (GRR) to Philadelphia (PHL): On-Time Performance
Data through July 2026
Grand Rapids (GRR) to Philadelphia (PHL) is a thinner route than most in this dataset — 356 departures over the past year, roughly 7 a week — so treat these numbers as indicative rather than definitive. Of the flights that did operate, 82% arrived on time.
- On-time
- 82%
- arrived <15 min late
- Avg delay
- 17 min
- completed flights
- Cancelled
- 2.8%
- Flights/day
- 0.98
- last 12 months
- Duration
- 1h 55m
- scheduled
- Distance
- 573 mi
Monthly on-time trend
Best time to fly from GRR to PHL
Aim for departures around 6 a.m. (92% on-time); avoid 1 p.m. departures (75%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 81% | 14 min |
| Tuesday | 84% | 12 min |
| Wednesday | 85% | 21 min |
| Thursday | 72% | 29 min |
| Friday | 81% | 13 min |
| Saturdaybest | 90% | 4 min |
| Sunday | 84% | 23 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft37%
- Airline operations38%
- National airspace system17%
- Weather9%
Frequently asked questions
- How often are flights from GRR to PHL delayed?
- 18% of GRR–PHL flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-07 and 2026-07. The average arrival delay across completed flights was 17 minutes.
- What is the best time of day to fly from GRR to PHL?
- Departures around 6 a.m. have the best record (92% on-time), while departures around 1 p.m. have the worst (75%). 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 55m over 573 miles. Actual arrival times vary — flights on this route land 15+ minutes late 18% of the time.
- How often are GRR to PHL flights cancelled?
- 2.8% of scheduled flights on this route were cancelled between 2024-07 and 2026-07, slightly above the national rate of 1.6%.
- What day of the week is most reliable for GRR to PHL?
- Saturday flights have the best record at 90% on-time. Day-of-week differences on this route are meaningful — Thursday trails at 72%.
Explore related pages
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Other ways to fly to Philadelphia (PHL)
Related guides
Based on 388 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.