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2,330 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 72%.

Best time to leave 11 am–12 pm 94% arrive on time from DSM
Best single flight UA 4777 DSM 05:50 → DEN 06:59 · 89% on time Avoid UA 1781 DSM 17:17 → DEN 18:23 · 66% 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
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9
10
11
12
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DSM
90
95
92
93
90
93
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91
76
78
49
% 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) 1,612 85% 0.7% 90 min
Southwest 559 83% 0.5% 75 min
Frontier 159 81% 0.0% 83 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 4777flown by SkyWest DSM 05:50 DEN 06:59 89%
F9 1677 DSM 14:19 DEN 15:23 81%
UA 1781 DSM 17:17 DEN 18:23 66%

All 10 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.
UA 4777flown by SkyWest DSM 05:50 DEN 06:59 2h 09m 274 89% 1.5% 187 min
WN 1769 DSM 06:10 DEN 07:00 1h 50m 58 84% 0.0% 150 min
UA 1521 DSM 09:14 DEN 10:20 2h 06m 72 88% 0.0% 92 min
UA 5288flown by SkyWest DSM 11:34 DEN 12:45 2h 11m 62 97% 0.0% 19 min
WN 1770 DSM 13:30 DEN 14:25 1h 55m 26 73% 0.0% 24 min
UA 2764 DSM 13:35 DEN 14:42 2h 07m 29 86% 0.0% 32 min
UA 5277flown by SkyWest DSM 13:40 DEN 14:51 2h 11m 63 81% 0.0% 54 min
F9 1677 DSM 14:19 DEN 15:23 2h 04m 156 81% 0.0% 83 min
UA 1781 DSM 17:17 DEN 18:23 2h 06m 262 66% 0.0% 83 min
WN 1334 DSM 19:00 DEN 19:50 1h 50m 16 19% 0.0% 79 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 DSM DEN 2h 11m 85% 0.7% 1,612 Flying now
Southwest DSM DEN 1h 55m 83% 0.5% 559 Flying now
Frontier DSM DEN 2h 04m 81% 0.0% 159 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