Route
PHX → DEN
Phoenix Sky Harbor International Airport Denver International Airport
How punctual is this route?
- On-time arrivals
- 76.7%
- Less than 15 minutes late
- Cancelled
- 0.7%
- Of scheduled flights
- Average delay when late
- 73 min
- Flights arriving 15+ minutes late
- Flights tracked
- 9,012
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 47%
- Air traffic control & airport 27%
- Airline (crew, maintenance, cleaning) 24%
- Extreme weather 2%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 78.0% | 662 |
| October 2025 | 79.5% | 802 |
| November 2025 | 79.2% | 769 |
| December 2025 | 78.3% | 771 |
| January 2026 | 83.0% | 731 |
| February 2026 | 82.6% | 722 |
| March 2026 | 74.6% | 922 |
| April 2026 | 85.7% | 826 |
| May 2026 | 76.5% | 768 |
| June 2026 | 69.4% | 676 |
| July 2026 | 66.0% | 682 |
| August 2026 | 64.4% | 681 |
Source: U.S. DOT Bureau of Transportation Statistics on-time data, September 2025 – August 2026. Covers flights operated by reporting U.S. carriers. About our data
Airlines on this route
| Airline | Flights | On time | Cancelled | Avg. delay when late |
|---|---|---|---|---|
| Southwest Airlines | 3,934 | 72.1% | 0.7% | 61 min |
| United Airlines | 2,391 | 83.3% | 0.5% | 83 min |
| Frontier Airlines | 1,494 | 78.8% | 0.7% | 95 min |
| American Airlines | 987 | 74.9% | 0.8% | 79 min |
| Envoy Air | 173 | 84.3% | 0.6% | 46 min |
| SkyWest Airlines | 33 | 72.7% | 0.0% | 110 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
-
F91376
11% late · 330 flights
-
F92142
33% late · 283 flights
-
UA597
14% late · 262 flights
-
F94768
16% late · 253 flights
-
UA1226
22% late · 249 flights
-
F91820
28% late · 240 flights
-
UA1637
19% late · 191 flights
-
AA1638
33% late · 183 flights
-
UA337
7% late · 180 flights
-
F94766
16% late · 179 flights
-
F91748
21% late · 165 flights
-
AA1414
19% late · 156 flights
-
UA624
31% late · 155 flights
-
AA2601
31% late · 132 flights
-
AA1997
23% late · 122 flights
-
UA1745
29% late · 98 flights
-
UA709
19% late · 98 flights
-
UA1615
26% late · 82 flights
-
UA1998
9% late · 81 flights
-
AA1757
11% late · 76 flights
-
UA1356
22% late · 74 flights
-
AA3255
36% late · 72 flights
-
WN116
19% late · 68 flights
-
UA2680
9% late · 65 flights
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