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Route · PHX → DEN · 2020–2025 BTS data

Phoenix to Denver

The PHX–DEN corridor (Phoenix, AZ → Denver, CO) runs ahead of the national average, served by 34 carriers across roughly 602 miles.

Data updated 2026-06-13

80.7%
On-time
+1.7 pts
vs US avg
66 min
Delay when late
49,558
Flights

Cancelled

1.0%

Best Month

Dec 2024 88%

Worst Month

May 2025 63%

Distance

602 mi

Carriers

34

Monthly Performance

Recent 24 months of route data.

Period Flights Delayed Cancelled Diverted Carriers
Dec 2025 771 165 6 5 WN,F9,AA,MQ,UA,OO
Nov 2025 769 156 18 1 OO,UA,F9,MQ,AA,WN
Oct 2025 802 164 1 0 AA,UA,WN,F9,MQ
Sep 2025 662 144 4 2 MQ,UA,WN,F9,AA
Aug 2025 613 170 5 4 AA,WN,F9,MQ,UA
Jul 2025 658 230 11 7 AA,UA,WN,F9,MQ
Jun 2025 649 226 12 5 AA,UA,WN,F9,MQ
May 2025 757 283 5 0 AA,OO,UA,WN,F9,MQ
Apr 2025 868 224 11 1 F9,MQ,UA,WN,AA
Mar 2025 972 181 3 0 AA,UA,WN,F9,MQ
Feb 2025 763 91 2 0 AA,UA,WN,F9,MQ
Jan 2025 806 136 2 1 AA,UA,WN,F9,MQ
Dec 2024 811 95 2 0 AA,F9,MQ,UA,WN
Nov 2024 797 102 11 0 OO,UA,MQ,WN,F9,AA
Oct 2024 826 100 1 0 UA,MQ,OO,WN,F9,AA
Sep 2024 748 88 2 0 WN,OO,UA,AA,F9,MQ
Aug 2024 719 142 16 3 AA,F9,MQ,WN,OO,UA
Jul 2024 732 176 14 3 AA,F9,MQ,OO,UA,WN
Jun 2024 713 208 8 2 AA,F9,OO,UA,WN
May 2024 814 208 12 4 AA,F9,UA,WN
Apr 2024 828 181 2 0 AA,F9,UA,WN
Mar 2024 917 163 19 0 AA,F9,UA,WN
Feb 2024 772 130 1 1 AA,F9,UA,WN
Jan 2024 802 149 23 0 AA,F9,WN,UA

Cancellation Rate

1.0%

191 of 18,569 flights

Diversion Rate

0.2%

39 of 18,569 flights

What the Data Says About PHX to DEN

49,558 tracked flights put the PHX to DEN pairing (Phoenix to Denver) at a 80.7% on-time rate, squarely in line with the wider network. Delays that do occur run 65.7 minutes on average. Across the 602-mile route and its 34 carriers, the trailing 24 months show 1.0% cancelled and 0.2% diverted (18,569 flights sampled).

The monthly split is wide on this route: Dec 2024 posted the strongest performance at 88% on-time, while May 2025 came in at just 63% - a 26-point swing worth factoring into travel timing.

Frequently Asked Questions

How often are flights delayed from PHX to DEN?
Flights from Phoenix to Denver have a 80.7% on-time rate based on 49,558 flights. The average delay is 65.7 minutes. The best recent month was Dec 2024 with 88% on-time.
What is the cancellation rate for PHX to DEN?
Over the last 24 months, 1.0% of flights on this route were cancelled (191 of 18,569 flights) and 0.2% were diverted.
How far is the flight from PHX to DEN?
The flight distance from Phoenix (PHX) to Denver (DEN) is approximately 602 miles. This route is served by 34 carriers.
When is the best time to fly from PHX to DEN?
The best recent month for on-time performance was Dec 2024 (88% on-time). The worst was May 2025 (63% on-time). Consider booking during months with historically better performance.

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Data source

Data Source: Bureau of Transportation Statistics (BTS), On-Time Performance Data. Statistics reflect cumulative performance across all available reporting periods.

Data sourced from U.S. Department of Transportation Bureau of Transportation Statistics (BTS) On-Time Performance data. See our methodology for details. Retrieved and formatted by PlainFlights Editorial

Every figure on PlainFlights is rendered directly from BTS On-Time Performance data, no number is typed in by an editor. This page aggregates this specific route's on-time performance and monthly trend, live from the dataset. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.