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

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

Leave before 9 am: 86% depart on time. After 4 pm it’s 72%.

Best time to leave 6–7 am 92% arrive on time from ATL

Best single flight AS 377 ATL 07:00 → SEA 09:26 · 86% 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).

ATL

% 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 377	ATL 07:00	SEA 09:26	86%

All 5 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 377	ATL 07:00	SEA 09:26	5h 26m	307	86%	0.3%	79 min
AS 348	ATL 08:54	SEA 11:20	5h 26m	129	69%	1.6%	56 min
AS 457	ATL 09:00	SEA 11:31	5h 31m	27	93%	0.0%	114 min
AS 218	ATL 16:18	SEA 18:46	5h 28m	51	62%	2.0%	55 min
AS 263	ATL 16:34	SEA 19:05	5h 31m	49	77%	2.0%	32 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	ATL	SEA	5h 31m	75%	1.0%	898	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