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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).

7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
SEA
96
95
82
91
96
75
85
91
77
78
% 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.
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 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 2141flown by Horizon SEA 07:06 BZN 09:46 1h 40m 181 95% 1.1% 44 min
AS 3183flown by SkyWest SEA 08:14 BZN 11:03 1h 49m 28 89% 0.0% 65 min
AS 285 SEA 11:29 BZN 14:09 1h 40m 52 71% 0.0% 33 min
DL 4104flown by SkyWest SEA 11:45 BZN 14:35 1h 55m 224 84% 0.4% 62 min
AS 2421flown by Horizon SEA 12:55 BZN 15:32 1h 37m 28 79% 0.0% 36 min
AS 3498flown by SkyWest SEA 15:35 BZN 18:18 1h 43m 51 71% 0.0% 48 min
AS 553 SEA 16:22 BZN 19:05 1h 43m 27 85% 0.0% 77 min
DL 4039flown by SkyWest SEA 19:59 BZN 22:48 1h 49m 219 84% 0.5% 50 min
AS 1539 SEA 19:59 BZN 22:42 1h 43m 28 82% 0.0% 36 min
AS 458 SEA 20:40 BZN 23:19 1h 39m 52 67% 0.0% 53 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.
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