United Airlines PHX to ORD on-time performance
United Airlines nonstop flights from Phoenix to Chicago · Aug 2025 – Jul 2026
On-time arrivals
77%
arrived < 15 min late
Cancelled
0.8%
15 flights
Avg arrival delay
21 min
87 min when late
Rank on route
#2 of 4
route average 76% on time
Key facts
- United Airlines flights on PHX to ORD arrived on time 77% of the time in Aug 2025 – Jul 2026.
- 0.8% were cancelled, and 8% arrived an hour or more late.
- That ranks #2 of 4 airlines on this route, which averaged 76% on time overall.
- The largest source of delay minutes was air traffic control & airport congestion (51%).
On-time trend by month
Why this airline's flights were late
- Air traffic control & airport congestion51%
- Late-arriving aircraft26%
- Airline (crew, maintenance, cleaning, fueling)19%
- Extreme weather4%
- Security0%
Other airlines on PHX to ORD
- American Airlines79% on time · 17 min avg delay
- Southwest Airlines61% on time · 27 min avg delay
- Frontier Airlines69% on time · 39 min avg delay
Full PHX to ORD comparison →
United Airlines on-time record across all routes →
1,967 United Airlines flights tracked on this route; 15 cancelled, 12 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.