Best Time to Fly GRR to PHL
Grand Rapids to Philadelphia — month-by-month delay data from the Bureau of Transportation Statistics.
Best month
April
1% on time
Worst month
April
1% on time
GRR → PHL on-time performance by month
23
24
25
26
JanFebMarAprMayJunJulAugSepOctNovDec
Worse
Better
Monthly breakdown
| Month | On-time | Cancel rate | Flights |
|---|---|---|---|
| April | 1% | 0% | 24 |
| May | 1% | 0% | 43 |
| June | 1% | 0% | 114 |
| July | 1% | 0.1% | 84 |
| August | 1% | 0% | 25 |
| September | 1% | 0% | 57 |
| October | 1% | 0% | 51 |
| December | 1% | 0% | 12 |
Frequently asked
What is the best month to fly from GRR to PHL?
April has the highest on-time rate at 1% for flights from Grand Rapids to Philadelphia.
What is the worst month to fly GRR to PHL?
April has the lowest on-time rate at 1%, often due to seasonal weather patterns.
How often are GRR to PHL flights delayed?
On average, 1% of flights from GRR to PHL arrive on time. That means about 99% experience some form of delay.
Source: Bureau of Transportation Statistics.