Historical on-time performance
Sacramento to Salt Lake City
532 miData through Dec 2025Source: US DOT · BTS
Flights on SMF–SLC arrive on time 88% of the time over the last 12 months.
On-time rate88%arrived within 15 min
p90 delay20 min1 in 10 flights is worse (tail risk)
Cancelled0.2%of scheduled flights
based on 2,026 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Delta Air LinesbestOn-time89%Medianon timep9015 minCancel0.3%Flights1,507
- Southwest AirlinesOn-time85%Medianon timep9025 minCancel0.0%Flights519
Why flights run late
Delay causes
- Airline32%
- Weather0%
- Air traffic (NAS)4%
- Late aircraft64%
- 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 SMF → SLC
All airlines · rolling 36 months (2023-01 .. 2025-12).
Best time of day
Mornings are the most reliable time of day to fly this route — 94% on time.
- Mornings94% on time · p90 5 min · 1,825 flights
- Middays88% on time · p90 15 min · 2,454 flights
- Evenings85% on time · p90 35 min · 1,430 flights
- Afternoons77% on time · p90 35 min · 238 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 87% to 91% on time.
- Wednesdays91% on time · p90 10 min · 854 flights
- Thursdays90% on time · p90 10 min · 870 flights
- Tuesdays90% on time · p90 15 min · 858 flights
- Sundays88% on time · p90 15 min · 889 flights
- Mondays88% on time · p90 15 min · 883 flights
- Fridays87% on time · p90 20 min · 877 flights
- Saturdays87% on time · p90 20 min · 752 flights
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