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2,721 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines

Leave before 9 am: 93% depart on time. After 4 pm it’s 62%.

Best time to leave 8–9 am 91% arrive on time from DEN
Best single flight UA 513 DEN 13:44 → BZN 15:33 · 85% on time Avoid UA 1347 DEN 19:25 → BZN 21:14 · 80% 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).

7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
DEN
92
94
84
67
84
79
77
38
76
50
45
64
% 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
Bozeman flights leaving DEN 12–1 pm: 1Close ×
WN 4219 DEN 12:30 BZN 14:10 1h 40m 34 47% 0.0% 46 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.
United (incl. SkyWest) 1,548 85% 0.3% 59 min
Southwest 1,173 72% 0.3% 51 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.
UA 513 DEN 13:44 BZN 15:33 85%
UA 1347 DEN 19:25 BZN 21:14 80%
All 11 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.
United DEN BZN 1h 50m 85% 0.3% 1,548 Flying now
Southwest DEN BZN 1h 45m 72% 0.3% 1,173 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