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1,321 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 85%.

Best time to leave 5–6 am 100% arrive on time from GEG
Best single flight AS 2499 GEG 09:08 → BOI 11:16 · 94% 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).

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GEG
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% 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) 1,321 90% 1.6% 61 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 2499flown by Horizon GEG 09:08 BOI 11:16 94%

All 7 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 2198flown by Horizon GEG 06:00 BOI 08:07 1h 07m 52 96% 7.7% 134 min
AS 2031flown by Horizon GEG 08:53 BOI 11:02 1h 09m 52 100% 0.0% –
AS 2499flown by Horizon GEG 09:08 BOI 11:16 1h 08m 257 94% 1.2% 52 min
AS 2459flown by Horizon GEG 15:20 BOI 17:28 1h 08m 28 33% 3.6% 51 min
AS 2264flown by Horizon GEG 16:05 BOI 18:13 1h 08m 52 75% 1.9% 36 min
AS 2426flown by Horizon GEG 19:11 BOI 21:17 1h 06m 127 82% 3.1% 76 min
AS 3215flown by SkyWest GEG 19:24 BOI 21:38 1h 14m 52 85% 0.0% 36 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 GEG BOI 1h 09m 90% 1.6% 1,321 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