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4,321 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines

Leave before 9 am: 95% depart on time. After 4 pm it’s 62%.

Best time to leave 5–6 am 100% arrive on time from DEN
Best single flight UA 2159 DEN 09:50 → MCI 12:38 · 88% on time Avoid F9 3376 DEN 11:01 → MCI 13:49 · 83% 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
DEN
98
98
94
93
92
86
81
70
85
64
63
59
70
59
42
65
45
% 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
Kansas City flights leaving DEN 7–8 am: 1Close ×
WN 1584 DEN 07:45 MCI 10:25 1h 35m 57 93% 0.0% 22 min

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 280 85% 0.0% 73 min
United (incl. SkyWest) 1,689 82% 0.3% 66 min
Southwest 2,352 74% 0.4% 58 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 2159 DEN 09:50 MCI 12:38 88%
UA 586 DEN 13:40 MCI 16:22 88%
F9 3376 DEN 11:01 MCI 13:49 83%
All 17 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 MCI 1h 48m 85% 0.0% 280 Flying now
United DEN MCI 1h 48m 82% 0.3% 1,689 Flying now
Southwest DEN MCI 1h 35m 74% 0.4% 2,352 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