Best Time to Fly ATL to SEA
Atlanta 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
ATL → SEA on-time performance by month
24
25
26
JanFebMarAprMayJunJulAugSepOctNovDec
Worse
Better
Monthly breakdown
| Month | On-time | Cancel rate | Flights |
|---|---|---|---|
| January | 1% | 0% | 899 |
| February | 1% | 0% | 791 |
| March | 1% | 0% | 942 |
| April | 1% | 0% | 1,023 |
| May | 1% | 0% | 1,199 |
| June | 1% | 0% | 1,343 |
| July | 1% | 0% | 1,444 |
| August | 1% | 0% | 1,069 |
| September | 1% | 0% | 935 |
| October | 1% | 0% | 908 |
| November | 1% | 0% | 807 |
| December | 1% | 0% | 812 |
Frequently asked
What is the best month to fly from ATL to SEA?
January has the highest on-time rate at 1% for flights from Atlanta to Seattle.
What is the worst month to fly ATL to SEA?
January has the lowest on-time rate at 1%, often due to winter weather.
How often are ATL to SEA flights delayed?
On average, 1% of flights from ATL to SEA arrive on time. That means about 99% experience some form of delay.
Source: Bureau of Transportation Statistics.