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2,469 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines

Leave before 9 am: 9 in 10 depart on time. After 4 pm it’s 64%.

Best time to leave 7–8 am 92% arrive on time from MIA
Best single flight F9 1279 MIA 06:00 → DEN 08:37 · 85% on time Avoid UA 2852 MIA 15:44 → DEN 18:23 · 82% 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
18
19
20
21
MIA
79
86
93
90
85
82
73
76
71
33
60
62
72
69
70
% 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 910 84% 0.1% 74 min
Frontier 351 83% 1.1% 113 min
American 885 77% 0.8% 62 min
Southwest 323 57% 0.0% 65 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 1279 MIA 06:00 DEN 08:37 85%
UA 2852 MIA 15:44 DEN 18:23 82%

All 6 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.
F9 1279 MIA 06:00 DEN 08:37 4h 27m 335 85% 1.2% 125 min
UA 2045 MIA 07:37 DEN 10:00 4h 23m 149 91% 0.0% 66 min
AA 1739 MIA 08:57 DEN 11:19 4h 22m 72 94% 0.0% 66 min
UA 2852 MIA 15:44 DEN 18:23 4h 39m 206 82% 0.5% 77 min
WN 2926 MIA 16:20 DEN 18:40 4h 20m 57 25% 0.0% 82 min
AA 1737 MIA 20:30 DEN 22:54 4h 23m 72 65% 0.0% 62 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 MIA DEN 4h 40m 84% 0.1% 910 Flying now
Frontier MIA DEN 4h 56m 83% 1.1% 351 Flying now
American MIA DEN 4h 35m 77% 0.8% 885 Flying now
Southwest MIA DEN 4h 35m 57% 0.0% 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