Philadelphia (PHL) to Grand Rapids (GRR): On-Time Performance
Data through May 2026
Philadelphia (PHL) to Grand Rapids (GRR) is a thinner route than most in this dataset — 236 departures over the past year, roughly 5 a week — so treat these numbers as indicative rather than definitive. Of the flights that did operate, 82% arrived on time. Cancellations are the bigger caveat: 3.9% of scheduled flights never departed.
- On-time
- 82%
- arrived <15 min late
- Avg delay
- 19 min
- completed flights
- Cancelled
- 3.9%
- Flights/day
- 0.65
- last 12 months
- Duration
- 2h 9m
- scheduled
- Distance
- 573 mi
Monthly on-time trend
Best time to fly from PHL to GRR
Aim for departures around 10 a.m. (86% on-time); avoid 9 p.m. departures (76%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 86% | 13 min |
| Tuesday | 71% | 47 min |
| Wednesdaybest | 94% | 7 min |
| Thursday | 87% | 9 min |
| Friday | 81% | 15 min |
| Saturday | 77% | 31 min |
| Sunday | 73% | 20 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft73%
- Airline operations22%
- National airspace system6%
Frequently asked questions
- How often are flights from PHL to GRR delayed?
- 19% of PHL–GRR 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 19 minutes.
- What is the best time of day to fly from PHL to GRR?
- Departures around 10 a.m. have the best record (86% on-time), while departures around 9 p.m. have the worst (76%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from PHL to GRR?
- The scheduled PHL–GRR flight time averages 2h 9m over 573 miles. Actual arrival times vary — flights on this route land 15+ minutes late 19% of the time.
- How often are PHL to GRR flights cancelled?
- 3.9% of scheduled flights on this route were cancelled between 2024-06 and 2026-05 — several times the typical US rate, so consider earlier departures or backup options.
- What day of the week is most reliable for PHL to GRR?
- Wednesday flights have the best record at 94% on-time. Day-of-week differences on this route are meaningful — Sunday trails at 73%.
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Based on 259 flights, 2024-06–2026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.