Historical on-time performance
Chicago to Phoenix
1,440 miData through Dec 2025Source: US DOT · BTS
Flights on ORD–PHX arrive on time 77% of the time over the last 12 months.
On-time rate77%arrived within 15 min
Median delayon timetypical arrival
p90 delay45 min1 in 10 flights is worsetail risk
Cancelled1.0%of scheduled flights
based on 5,344 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- American AirlinesOn-time75%Medianon timep9045 minCancel1.5%Flights2,969
- United AirlinesbestOn-time82%Medianon timep9030 minCancel0.4%Flights1,978
- Southwest AirlinesOn-time58%Median5 minp9060 minCancel0.0%Flights318
- Frontier AirlinesOn-time59%Medianon timep9075 minCancel1.3%Flights79
Why flights run late
Delay causes
- Airline36%
- Weather4%
- Air traffic (NAS)16%
- Late aircraft44%
- Security0%
Most delay minutes here are attributed to Late aircraft.
Over time
On-time trend
By season
On-time rate by month
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