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3,033 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 62%.

Best time to leave 5–6 am 94% arrive on time from BOI
Best single flight UA 1782 BOI 06:30 → DEN 08:29 · 92% on time Avoid UA 2173 BOI 14:40 → DEN 16:39 · 76% 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).

5
6
7
8
9
10
11
12
13
14
15
16
17
BOI
94
94
96
98
93
91
82
82
81
77
69
35
71
% 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.
United (incl. SkyWest) 1,815 84% 0.1% 91 min
Southwest 1,088 79% 0.2% 57 min
Frontier 130 – 0.0% 116 min

Dimmed: fewer than 150 flights in the year, too few to rank.

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.
UA 1782 BOI 06:30 DEN 08:29 92%
UA 5924flown by SkyWest BOI 05:00 DEN 07:05 91%
UA 2173 BOI 14:40 DEN 16:39 76%

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.
UA 5924flown by SkyWest BOI 05:00 DEN 07:05 2h 05m 238 91% 0.0% 70 min
UA 1782 BOI 06:30 DEN 08:29 1h 59m 364 92% 0.3% 125 min
WN 698 BOI 07:20 DEN 09:10 1h 50m 58 98% 0.0% 58 min
UA 6041flown by SkyWest BOI 10:20 DEN 12:27 2h 07m 135 91% 0.0% 99 min
WN 699 BOI 10:25 DEN 12:20 1h 55m 58 91% 0.0% 93 min
UA 517 BOI 10:41 DEN 12:41 2h 00m 30 97% 0.0% 124 min
F9 3934 BOI 13:24 DEN 15:39 2h 11m 129 82% 0.0% 116 min
UA 2173 BOI 14:40 DEN 16:39 1h 59m 364 76% 0.3% 98 min
WN 700 BOI 16:25 DEN 18:20 1h 55m 49 30% 2.0% 50 min
UA 2395 BOI 17:46 DEN 19:45 1h 59m 71 46% 0.0% 66 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.
United BOI DEN 2h 05m 84% 0.1% 1,815 Flying now
Frontier BOI DEN 2h 11m 82% 0.0% 130 Flying now
Southwest BOI DEN 1h 55m 79% 0.2% 1,088 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