Historical on-time performance
Los Angeles to Salt Lake City
590 miData through Dec 2025Source: US DOT · BTS
Flights on LAX–SLC arrive on time 90% of the time over the last 12 months.
On-time rate90%arrived within 15 min
Median delayon timetypical arrival
p90 delay15 min1 in 10 flights is worsetail risk
Cancelled0.3%of scheduled flights
based on 3,908 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Delta Air LinesOn-time89%Medianon timep9015 minCancel0.3%Flights2,456
- Frontier AirlinesOn-time83%Medianon timep9025 minCancel0.4%Flights226
- SkyWest AirlinesbestOn-time92%Medianon timep9010 minCancel0.0%Flights851
- Southwest AirlinesOn-time90%Medianon timep9015 minCancel0.3%Flights375
Why flights run late
Delay causes
- Airline58%
- Weather1%
- Air traffic (NAS)4%
- Late aircraft37%
- 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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