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8,944 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 2 in 3.

Best time to leave 5–6 am 96% arrive on time from PHX
Best single flight F9 1376 PHX 06:40 → DEN 09:37 · 88% on time Avoid AA 1638 PHX 15:24 → DEN 18:16 · 70% 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
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12
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PHX
96
94
91
89
84
81
77
81
73
63
65
69
65
64
73
59
61
71
% 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
Denver flights leaving PHX 9–10 pm: 1Close ×
AA 3255 PHX 21:45 DEN 00:47 1h 52m 68 63% 4.4% 108 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.
United (incl. SkyWest) 2,364 84% 0.6% 77 min
Frontier 1,464 80% 0.7% 91 min
American (incl. Envoy, SkyWest) 1,179 77% 0.8% 73 min
Southwest 3,937 74% 0.6% 56 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 1376 PHX 06:40 DEN 09:37 88%
UA 597 PHX 09:08 DEN 12:00 86%
F9 4768 PHX 08:40 DEN 11:43 85%
F9 4766 PHX 14:15 DEN 17:10 84%
F9 1748 PHX 11:20 DEN 14:15 80%
· · ·
F9 1820 PHX 18:53 DEN 21:49 75%
F9 2142 PHX 16:48 DEN 19:46 71%
AA 1638 PHX 15:24 DEN 18:16 70%
All 30 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 PHX DEN 1h 53m 84% 0.6% 2,364 Flying now
Frontier PHX DEN 1h 56m 80% 0.7% 1,464 Flying now
American PHX DEN 1h 52m 77% 0.8% 1,179 Flying now
Southwest PHX DEN 1h 45m 74% 0.6% 3,937 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