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2,468 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines

Leave before 9 am: 84% depart on time. After 4 pm it’s 7 in 10.

Best time to leave 7–8 am 84% arrive on time from DEN
Best single flight F9 1280 DEN 23:40 → MIA 05:51 · 77% 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
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12
13
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23
DEN
86
81
85
81
65
76
79
71
71
78
71
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.
American 886 77% 0.9% 99 min
United 910 76% 0.1% 66 min
Frontier 349 74% 0.6% 60 min
Southwest 323 66% 0.6% 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.
F9 1280 DEN 23:40 MIA 05:51 77%
All 8 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 DEN MIA 4h 01m 77% 0.9% 886 Flying now
United DEN MIA 4h 00m 76% 0.1% 910 Flying now
Frontier DEN MIA 4h 11m 74% 0.6% 349 Flying now
Southwest DEN MIA 3h 45m 66% 0.6% 323 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