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2,337 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 7 in 10.

Best time to leave 5–6 am 99% arrive on time from BOI

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).

5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
BOI
98
96
92
95
79
85
79
82
83
69
69
75
39
% 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
Phoenix flights leaving BOI 6–7 pm: 1Close ×
AS 2184flown by Horizon BOI 18:08 PHX 19:17 2h 09m 147 76% 0.0% 41 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.
American (incl. Envoy, SkyWest) 1,037 84% 0.3% 94 min
Southwest 813 83% 0.5% 62 min
Alaska (incl. SkyWest, Horizon) 487 81% 0.2% 50 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.

No flight on this route ran 150+ times in the year.

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.
American BOI PHX 2h 18m 84% 0.3% 1,037 Flying now
Southwest BOI PHX 2h 05m 83% 0.5% 813 Flying now
Alaska BOI PHX 2h 15m 81% 0.2% 487 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