United Airlines DEN to PHX on-time performance
United Airlines nonstop flights from Denver to Phoenix · Aug 2025 – Jul 2026
On-time arrivals
81%
arrived < 15 min late
Cancelled
0.3%
8 flights
Avg arrival delay
12 min
61 min when late
Rank on route
#1 of 6
route average 76% on time
Key facts
- United Airlines flights on DEN to PHX arrived on time 81% of the time in Aug 2025 – Jul 2026.
- 0.3% were cancelled, and 6% arrived an hour or more late.
- That ranks #1 of 6 airlines on this route, which averaged 76% on time overall.
- The largest source of delay minutes was late-arriving aircraft (50%).
On-time trend by month
Why this airline's flights were late
- Late-arriving aircraft50%
- Airline (crew, maintenance, cleaning, fueling)25%
- Air traffic control & airport congestion23%
- Extreme weather1%
- Security0%
Other airlines on DEN to PHX
- Southwest Airlines72% on time · 17 min avg delay
- Frontier Airlines78% on time · 16 min avg delay
- American Airlines76% on time · 30 min avg delay
- Envoy Air75% on time · 26 min avg delay
- SkyWest Airlines78% on time · 6 min avg delay
Full DEN to PHX comparison →
United Airlines on-time record across all routes →
2,362 United Airlines flights tracked on this route; 8 cancelled, 4 diverted.
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. How we calculate this.