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1,841 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines

Leave before 9 am: 92% depart on time. After 4 pm it’s 62%.

Best time to leave 6–7 am 91% arrive on time from DEN
Best single flight F9 1918 DEN 06:00 → CLE 10:58 · 88% on time Avoid UA 1790 DEN 17:40 → CLE 22:41 · 75% 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).

6
7
8
9
10
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DEN
92
88
82
79
88
85
70
60
33
% 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.
Frontier 296 85% 1.4% 51 min
United 940 83% 0.0% 68 min
Southwest 605 63% 0.3% 52 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 1918 DEN 06:00 CLE 10:58 88%
UA 1790 DEN 17:40 CLE 22:41 75%
All 7 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.
Frontier DEN CLE 3h 04m 85% 1.4% 296 Flying now
United DEN CLE 2h 57m 83% 0.0% 940 Flying now
Southwest DEN CLE 2h 50m 63% 0.3% 605 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