Best Time to Fly IAH to PDX
Houston to Portland — month-by-month delay data from the Bureau of Transportation Statistics.
Best month
January
1% on time
Worst month
January
1% on time
IAH → PDX on-time performance by month
24
25
26
JanFebMarAprMayJunJulAugSepOctNovDec
Worse
Better
Monthly breakdown
| Month | On-time | Cancel rate | Flights |
|---|---|---|---|
| January | 1% | 0% | 283 |
| February | 1% | 0% | 250 |
| March | 1% | 0% | 277 |
| April | 1% | 0% | 271 |
| May | 1% | 0% | 339 |
| June | 1% | 0% | 414 |
| July | 1% | 0% | 426 |
| August | 1% | 0% | 295 |
| September | 1% | 0% | 245 |
| October | 1% | 0% | 268 |
| November | 1% | 0% | 212 |
| December | 1% | 0% | 238 |
Frequently asked
What is the best month to fly from IAH to PDX?
January has the highest on-time rate at 1% for flights from Houston to Portland.
What is the worst month to fly IAH to PDX?
January has the lowest on-time rate at 1%, often due to winter weather.
How often are IAH to PDX flights delayed?
On average, 1% of flights from IAH to PDX arrive on time. That means about 99% experience some form of delay.
Source: Bureau of Transportation Statistics.