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

1,056 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines

Leave before 9 am: 93% depart on time. After 4 pm it’s 72%.

Best time to leave 8–9 am 88% arrive on time from SEA

Best single flight AS 238 SEA 15:59 → KOA 19:05 · 77% on time Avoid AS 200 SEA 18:59 → KOA 22:10 · 76% 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 238	SEA 15:59	KOA 19:05	77%
AS 204	SEA 11:27	KOA 14:35	76%
AS 200	SEA 18:59	KOA 22:10	76%

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 204	SEA 11:27	KOA 14:35	6h 08m	208	76%	0.0%	60 min
AS 238	SEA 15:59	KOA 19:05	6h 06m	225	77%	0.4%	51 min
AS 200	SEA 18:59	KOA 22:10	6h 11m	214	76%	0.0%	51 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	KOA	6h 16m	74%	0.9%	1,056	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