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

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

Leave before 9 am: almost all depart on time. After 4 pm it’s 3 in 4.

Best time to leave 8–9 am 95% arrive on time from SEA

Best single flight AS 326 SEA 08:16 → TPA 16:54 · 85% on time Avoid AS 639 SEA 21:18 → TPA 05:48 · 84% 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 326	SEA 08:16	TPA 16:54	85%
AS 639	SEA 21:18	TPA 05:48	84%

All 3 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 326	SEA 08:16	TPA 16:54	5h 38m	313	85%	1.0%	56 min
AS 262	SEA 09:21	TPA 17:51	5h 30m	51	69%	0.0%	41 min
AS 639	SEA 21:18	TPA 05:48	5h 30m	203	84%	0.0%	45 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	TPA	5h 37m	82%	0.5%	612	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