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1,744 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 84%.

Best time to leave 6–7 am 96% arrive on time from BOI
Best single flight AS 229 BOI 16:23 → PDX 16:45 · 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).

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BOI
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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
Portland flights leaving BOI 8–9 pm: 3Close ×
AS 2379flown by Horizon BOI 20:28 PDX 20:50 1h 22m 24 79% 0.0% 44 min
AS 2118flown by Horizon BOI 20:28 PDX 20:46 1h 18m 25 76% 0.0% 71 min
AS 2371flown by Horizon BOI 20:28 PDX 20:46 1h 18m 26 69% 0.0% 58 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.
Alaska (incl. SkyWest, Horizon) 1,744 91% 0.7% 72 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 229 BOI 16:23 PDX 16:45 86%
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.
Alaska BOI PDX 1h 22m 91% 0.7% 1,744 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