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Showing United only (incl. its regional partners)All airlines ×
1,818 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines

Leave before 9 am: 94% depart on time. After 4 pm it’s 72%.

Best time to leave 7–8 am 94% arrive on time from DEN
Best single flight UA 2014 DEN 19:28 → BOI 21:29 · 73% on time Avoid UA 5923 DEN 20:25 → BOI 22:37 · 71% 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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DEN
94
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68
% 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.

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 2014 DEN 19:28 BOI 21:29 73%
UA 5923flown by SkyWest DEN 20:25 BOI 22:37 71%

All 7 United 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 4718flown by SkyWest DEN 07:45 BOI 09:53 2h 08m 71 83% 0.0% 29 min
UA 1464 DEN 07:45 BOI 09:45 2h 00m 30 97% 0.0% 18 min
UA 4765flown by SkyWest DEN 07:45 BOI 09:53 2h 08m 37 97% 0.0% 51 min
UA 2255 DEN 11:35 BOI 13:34 1h 59m 125 82% 0.0% 68 min
UA 2602 DEN 15:55 BOI 17:56 2h 01m 89 67% 0.0% 62 min
UA 2014 DEN 19:28 BOI 21:29 2h 01m 326 73% 0.3% 54 min
UA 5923flown by SkyWest DEN 20:25 BOI 22:37 2h 12m 298 71% 0.3% 63 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 DEN BOI 2h 09m 80% 0.1% 1,818 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