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Showing American only (incl. its regional partners)All airlines ×
1,933 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines

Leave before 9 am: 87% depart on time. After 4 pm it’s 2 in 3.

Best time to leave 6–7 am 90% arrive on time from COS
Best single flight AA 782 COS 08:01 → DFW 10:56 · 92% on time Avoid AA 6390 COS 13:07 → DFW 16:10 · 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).

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COS
89
92
79
87
89
82
76
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87
58
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69
% 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.

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.
AA 782 COS 08:01 DFW 10:56 92%
AA 6390flown by SkyWest COS 13:07 DFW 16:10 80%

All 6 American 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.
AA 6408flown by SkyWest COS 05:35 DFW 08:37 2h 02m 72 81% 1.4% 227 min
AA 782 COS 08:01 DFW 10:56 1h 55m 209 92% 3.8% 257 min
AA 1697 COS 10:44 DFW 13:36 1h 52m 72 79% 1.4% 60 min
AA 6390flown by SkyWest COS 13:07 DFW 16:10 2h 03m 359 80% 1.7% 162 min
AA 1695 COS 15:49 DFW 18:50 2h 01m 71 49% 2.8% 98 min
AA 4956flown by SkyWest COS 17:15 DFW 20:19 2h 04m 68 59% 2.9% 69 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.
American COS DFW 1h 57m 79% 2.5% 1,933 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