United Airlines ORD to PHX on-time performance
United Airlines nonstop flights from Chicago to Phoenix · Aug 2025 – Jul 2026
On-time arrivals
79%
arrived < 15 min late
Cancelled
0.7%
14 flights
Avg arrival delay
15 min
69 min when late
Rank on route
#1 of 4
route average 73% on time
Key facts
- United Airlines flights on ORD to PHX arrived on time 79% of the time in Aug 2025 – Jul 2026.
- 0.7% were cancelled, and 7% arrived an hour or more late.
- That ranks #1 of 4 airlines on this route, which averaged 73% on time overall.
- The largest source of delay minutes was late-arriving aircraft (47%).
On-time trend by month
Why this airline's flights were late
- Late-arriving aircraft47%
- Airline (crew, maintenance, cleaning, fueling)25%
- Air traffic control & airport congestion21%
- Extreme weather8%
- Security0%
Other airlines on ORD to PHX
- American Airlines71% on time · 26 min avg delay
- Southwest Airlines60% on time · 29 min avg delay
- Frontier Airlines69% on time · 27 min avg delay
Full ORD to PHX comparison →
United Airlines on-time record across all routes →
1,968 United Airlines flights tracked on this route; 14 cancelled, 7 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.