1,189 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines

Leave before 9 am: 96% depart on time. After 4 pm it’s 78%.

Best time to leave 10–11 am 90% arrive on time from SEA

Best single flight AS 2160 SEA 16:57 → MSO 19:22 · 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).

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.

Airlines on this route

Arriving within 15 minutes. Regional flights count under the airline that sells them. Pick an airline to see its flights.


Alaska (incl. SkyWest, Horizon)	1,189	85%	1.1%	46 min

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 2160flown by Horizon	SEA 16:57	MSO 19:22	86%

All 9 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 3101flown by SkyWest	SEA 08:05	MSO 10:42	1h 37m	52	88%	0.0%	25 min
AS 2165flown by Horizon	SEA 09:50	MSO 12:16	1h 26m	28	86%	0.0%	28 min
AS 660	SEA 12:04	MSO 14:43	1h 39m	145	88%	2.1%	54 min
AS 697	SEA 13:38	MSO 16:09	1h 31m	130	82%	0.0%	56 min
AS 2123flown by Horizon	SEA 16:54	MSO 19:19	1h 25m	44	70%	0.0%	40 min
AS 2160flown by Horizon	SEA 16:57	MSO 19:22	1h 25m	165	86%	2.4%	48 min
AS 2154flown by Horizon	SEA 20:30	MSO 22:55	1h 25m	27	77%	0.0%	54 min
AS 560	SEA 21:27	MSO 23:56	1h 29m	25	72%	0.0%	39 min
AS 1330	SEA 21:28	MSO 23:59	1h 31m	28	82%	0.0%	29 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	MSO	1h 28m	85%	1.1%	1,189	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