Showing Alaska only (incl. its regional partners)All airlines ×

897 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines

No clear winner: Alaska’s SEA → ATL flights land within a few points of 83% on time whatever the hour.

Best time to leave 10–11 pm 89% arrive on time from SEA

Best single flight AS 464 SEA 23:31 → ATL 07:24 · 88% on time Avoid AS 492 SEA 15:59 → ATL 23:59 · 81% on time

Time of day × airport

Share of this route’s flights leaving within 15 minutes, by airport and scheduled departure hour, over Aug 2025 – Jul 2026. Blank: no flights then (or fewer than 40 in the year).

SEA

% of this route’s flights leaving within 15 min (small number: flights in the Jun 6 – Jul 31, 2026 schedule): 85+75–8465–7455–64under 55

Pick an hour to see this route’s flights leaving then.

Flights, best and worst

Flights in the Jun 6 – Jul 31, 2026 schedule that ran 150+ times in the year. Times are local. Pick a flight for its history.


AS 464	SEA 23:31	ATL 07:24	88%
AS 727	SEA 16:05	ATL 23:59	82%
AS 334	SEA 09:05	ATL 16:57	82%
AS 492	SEA 15:59	ATL 23:59	81%

All 4 Alaska flights in the current schedule

Every flight that flew in the Jun 6 – Jul 31, 2026 schedule, with its record over Aug 2025 – Jul 2026. Times are local. Click a column to sort.


AS 334	SEA 09:05	ATL 16:57	4h 52m	346	82%	0.3%	44 min
AS 492	SEA 15:59	ATL 23:59	5h 00m	182	81%	0.5%	64 min
AS 727	SEA 16:05	ATL 23:59	4h 54m	187	82%	1.1%	43 min
AS 464	SEA 23:31	ATL 07:24	4h 53m	178	88%	0.6%	44 min

Nonstops by airline and airport

Arriving within 15 minutes, Aug 2025 – Jul 2026. Pick a row to see that airline’s flights on that airport pair.


Alaska	SEA	ATL	4h 54m	83%	0.6%	897	Flying now

Flying on a particular day? Pick a date above and the same ranking uses our forecast odds for each flight that day: Tomorrow.

About this data: US DOT on-time records, Aug 2025 – Jul 2026, all US airlines; regional flights count under the airline that sells them. Schedules (which flights and connections exist, and their times) are as of Jun 6 – Jul 31, 2026; seasonal flights outside that window aren’t ranked. Rebuilt monthly. JSON