FlightRecord

Philadelphia (PHL) to Grand Rapids (GRR): On-Time Performance

Data through July 2026

Philadelphia (PHL) to Grand Rapids (GRR) is a thinner route than most in this dataset — 358 departures over the past year, roughly 7 a week — so treat these numbers as indicative rather than definitive. Of the flights that did operate, 79% arrived on time. Cancellations are the bigger caveat: 5.6% of scheduled flights never departed.

On-time
79%
arrived <15 min late
Avg delay
21 min
completed flights
Cancelled
5.6%
Flights/day
0.98
last 12 months
Duration
2h 8m
scheduled
Distance
573 mi

Monthly on-time trend

Monthly on-time percentage for PHL to GRR flights50%75%100%July 2024: 100% on-time (2 flights)100Jul 2024June 2025: 57% on-time (26 flights)57July 2025: 100% on-time (4 flights)100August 2025: 88% on-time (26 flights)88Aug 2025September 2025: 80% on-time (58 flights)80October 2025: 82% on-time (51 flights)82November 2025: 100% on-time (3 flights)100Nov 2025April 2026: 88% on-time (24 flights)88May 2026: 77% on-time (44 flights)77June 2026: 87% on-time (67 flights)87Jun 2026July 2026: 69% on-time (85 flights)69

Best time to fly from PHL to GRR

Aim for departures around 10 a.m. (88% on-time); avoid 9 p.m. departures (75%).

On-time percentage by scheduled departure hour, PHL to GRR10 a.m.: 88% on-time (84 flights)1011 a.m.: 80% on-time (74 flights)114 p.m.: 68% on-time (21 flights)169 p.m.: 75% on-time (142 flights)21scheduled departure hour

By day of week

DayOn-timeAvg delay
Monday75%22 min
Tuesday81%33 min
Wednesdaybest92%10 min
Thursday80%16 min
Friday79%18 min
Saturday77%30 min
Sunday73%25 min

What causes delays on this route

Share of total delay minutes by cause, as reported by carriers to the US DOT.

  • Late-arriving aircraft62%
  • Airline operations26%
  • National airspace system9%
  • Weather3%

Frequently asked questions

How often are flights from PHL to GRR delayed?
21% of PHL–GRR 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 21 minutes.
What is the best time of day to fly from PHL to GRR?
Departures around 10 a.m. have the best record (88% on-time), while departures around 9 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 PHL to GRR?
The scheduled PHL–GRR flight time averages 2h 8m over 573 miles. Actual arrival times vary — flights on this route land 15+ minutes late 21% of the time.
How often are PHL to GRR flights cancelled?
5.6% of scheduled flights on this route were cancelled between 2024-07 and 2026-07 — 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 92% on-time. Day-of-week differences on this route are meaningful — Sunday trails at 73%.

Based on 390 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.