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3,135 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 2 in 3.

Best time to leave 8–9 am 94% arrive on time from DEN
Best single flight UA 5324 DEN 10:05 → OKC 13:01 · 90% on time Avoid UA 4727 DEN 20:42 → OKC 23:29 · 76% 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
DEN
90
92
87
84
77
79
86
72
75
66
74
65
43
65
% 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 (incl. SkyWest) 1,562 83% 0.5% 69 min
Frontier 349 80% 0.3% 69 min
Southwest 1,224 73% 0.7% 54 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 5324flown by SkyWest DEN 10:05 OKC 13:01 90%
UA 5808flown by SkyWest DEN 13:25 OKC 16:15 85%
F9 1928 DEN 12:28 OKC 15:04 83%
UA 4727flown by SkyWest DEN 20:42 OKC 23:29 76%
All 14 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 OKC 1h 46m 83% 0.5% 1,562 Flying now
Frontier DEN OKC 1h 36m 80% 0.3% 349 Flying now
Southwest DEN OKC 1h 35m 73% 0.7% 1,224 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