Best Time to Fly PHX to SEA
Phoenix to Seattle — month-by-month delay data from the Bureau of Transportation Statistics.
Best month
January
1% on time
Worst month
January
1% on time
PHX → SEA on-time performance by month
24
25
26
JanFebMarAprMayJunJulAugSepOctNovDec
Worse
Better
Monthly breakdown
| Month | On-time | Cancel rate | Flights |
|---|---|---|---|
| January | 1% | 0% | 2,321 |
| February | 1% | 0% | 2,251 |
| March | 1% | 0% | 2,660 |
| April | 1% | 0% | 2,534 |
| May | 1% | 0% | 2,467 |
| June | 1% | 0% | 2,325 |
| July | 1% | 0% | 2,385 |
| August | 1% | 0% | 1,746 |
| September | 1% | 0% | 1,717 |
| October | 1% | 0% | 1,806 |
| November | 1% | 0% | 1,744 |
| December | 1% | 0% | 1,819 |
Frequently asked
What is the best month to fly from PHX to SEA?
January has the highest on-time rate at 1% for flights from Phoenix to Seattle.
What is the worst month to fly PHX to SEA?
January has the lowest on-time rate at 1%, often due to winter weather.
How often are PHX to SEA flights delayed?
On average, 1% of flights from PHX to SEA arrive on time. That means about 99% experience some form of delay.
Source: Bureau of Transportation Statistics.