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1,769 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 7 in 10.

Best time to leave 5–6 am 95% arrive on time from CMH
Best single flight UA 728 CMH 09:00 → DEN 10:14 · 86% on time Avoid UA 1389 CMH 15:30 → DEN 16:45 · 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).

5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
CMH
96
95
90
85
71
76
83
61
73
67
% 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 728 83% 0.8% 78 min
Southwest 919 80% 0.4% 65 min
Frontier 122 – 0.8% 81 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 728 CMH 09:00 DEN 10:14 86%
UA 1389 CMH 15:30 DEN 16:45 80%

All 8 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.
WN 1186 CMH 05:45 DEN 06:50 3h 05m 58 97% 0.0% 92 min
UA 728 CMH 09:00 DEN 10:14 3h 14m 365 86% 1.1% 93 min
WN 4386 CMH 10:32 DEN 11:32 3h 00m 16 75% 0.0% 98 min
WN 779 CMH 12:15 DEN 13:15 3h 00m 26 88% 0.0% 237 min
UA 1389 CMH 15:30 DEN 16:45 3h 15m 363 80% 0.6% 68 min
F9 1693 CMH 16:47 DEN 18:03 3h 16m 118 72% 0.8% 83 min
WN 1150 CMH 18:10 DEN 19:20 3h 10m 16 50% 0.0% 89 min
WN 921 CMH 19:00 DEN 20:10 3h 10m 26 73% 0.0% 82 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 CMH DEN 3h 15m 83% 0.8% 728 Flying now
Southwest CMH DEN 3h 10m 80% 0.4% 919 Flying now
Frontier CMH DEN 3h 16m 72% 0.8% 122 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