2,111 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines

Leave before 9 am: 95% depart on time. After 4 pm it’s 85%.

Best time to leave 7–8 am 97% arrive on time from SEA

Best single flight AS 2141 SEA 07:06 → BZN 09:46 · 95% on time Avoid DL 4104 SEA 11:45 → BZN 14:35 · 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

Bozeman flights leaving SEA 8–9 pm: 1Close ×


AS 458	SEA 20:40	BZN 23:19	1h 39m	52	67%	0.0%	53 min

Airlines on this route

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


Delta (incl. SkyWest)	806	88%	0.2%	57 min
Alaska (incl. SkyWest, Horizon)	1,305	84%	0.8%	51 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 2141flown by Horizon	SEA 07:06	BZN 09:46	95%
DL 4039flown by SkyWest	SEA 19:59	BZN 22:48	84%
DL 4104flown by SkyWest	SEA 11:45	BZN 14:35	84%

All 10 flights on this route →

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.


Delta	SEA	BZN	1h 49m	88%	0.2%	806	Flying now
Alaska	SEA	BZN	1h 40m	84%	0.8%	1,305	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