Historical on-time performance
Pittsburgh to Salt Lake City
1,659 miData through Dec 2025Source: US DOT · BTS
Flights on PIT–SLC arrive on time 75% of the time over the last 12 months.
On-time rate75%arrived within 15 min
p90 delay35 min1 in 10 flights is worse (tail risk)
Cancelled0.6%of scheduled flights
based on 335 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Delta Air LinesOn-time75%Medianon timep9035 minCancel0.6%Flights335
Why flights run late
Delay causes
- Airline28%
- Weather9%
- Air traffic (NAS)21%
- Late aircraft42%
- Security0%
Most delay minutes here are attributed to Late aircraft.
Over time
On-time trend
By season
On-time rate by month
When to fly
Best time to fly PIT → SLC
All airlines · rolling 36 months (2023-01 .. 2025-12).
Best day of week
On-time rates are fairly even by day on this route — ranging from 64% to 83% on time.
- Tuesdays83% on time · p90 30 min · 58 flights · limited
- Thursdays75% on time · p90 35 min · 56 flights · limited
- Wednesdays74% on time · p90 35 min · 58 flights · limited
- Mondays72% on time · p90 80 min · 58 flights · limited
- Sundays68% on time · p90 75 min · 59 flights · limited
- Fridays67% on time · p90 50 min · 57 flights · limited
- Saturdays64% on time · p90 90 min · 58 flights · limited
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