Historical on-time performance
San Francisco to Sacramento
86 miData through Dec 2025Source: US DOT · BTS
Flights on SFO–SMF arrive on time 81% of the time over the last 12 months.
On-time rate81%arrived within 15 min
p90 delay30 min1 in 10 flights is worse (tail risk)
Cancelled1.6%of scheduled flights
based on 1,332 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- SkyWest AirlinesOn-time81%Medianon timep9030 minCancel1.6%Flights1,332
Why flights run late
Delay causes
- Airline44%
- Weather9%
- Air traffic (NAS)21%
- Late aircraft26%
- Security0%
Most delay minutes here are attributed to Airline.
Over time
On-time trend
By season
On-time rate by month
When to fly
Best time to fly SFO → SMF
All airlines · rolling 36 months (2023-01 .. 2025-12).
Best time of day
On-time rates are fairly even by time of day on this route — ranging from 77% to 87% on time.
- Mornings87% on time · p90 20 min · 882 flights
- Evenings84% on time · p90 25 min · 442 flights
- Middays82% on time · p90 30 min · 627 flights
- Afternoons77% on time · p90 45 min · 374 flights
- Overnights77% on time · p90 30 min · 961 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 78% to 86% on time.
- Tuesdays86% on time · p90 20 min · 472 flights
- Saturdays85% on time · p90 25 min · 448 flights
- Thursdays83% on time · p90 30 min · 473 flights
- Wednesdays83% on time · p90 25 min · 480 flights
- Fridays82% on time · p90 25 min · 479 flights
- Sundays78% on time · p90 40 min · 451 flights
- Mondays78% on time · p90 35 min · 483 flights
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