Historical on-time performance
Chicago to Salt Lake City
1,249 miData through Dec 2025Source: US DOT · BTS
Flights on ORD–SLC arrive on time 71% of the time over the last 12 months.
On-time rate71%arrived within 15 min
Median delayon timetypical arrival
p90 delay65 min1 in 10 flights is worsetail risk
Cancelled0.6%of scheduled flights
based on 3,038 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Delta Air LinesbestOn-time73%Medianon timep9060 minCancel0.4%Flights1,013
- SkyWest AirlinesOn-time63%Medianon timep90110 minCancel0.3%Flights378
- American AirlinesOn-time67%Medianon timep9065 minCancel1.5%Flights603
- United AirlinesOn-time73%Medianon timep9050 minCancel0.5%Flights1,044
Why flights run late
Delay causes
- Airline40%
- Weather12%
- Air traffic (NAS)13%
- Late aircraft35%
- Security0%
Most delay minutes here are attributed to Airline.
Over time
On-time trend
By season
On-time rate by month
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