Best Time to Fly GRR to PDX
Grand Rapids to Portland — month-by-month delay data from the Bureau of Transportation Statistics.
Best month
June
1% on time
Worst month
June
1% on time
GRR → PDX on-time performance by month
25
JanFebMarAprMayJunJulAugSepOctNovDec
Worse
Better
Monthly breakdown
| Month | On-time | Cancel rate | Flights |
|---|---|---|---|
| June | 1% | 0% | 13 |
| July | 1% | 0% | 13 |
Frequently asked
What is the best month to fly from GRR to PDX?
June has the highest on-time rate at 1% for flights from Grand Rapids to Portland.
What is the worst month to fly GRR to PDX?
June has the lowest on-time rate at 1%, often due to summer thunderstorms.
How often are GRR to PDX flights delayed?
On average, 1% of flights from GRR to PDX arrive on time. That means about 99% experience some form of delay.
Source: Bureau of Transportation Statistics.