Historical on-time performance
San Francisco to Sacramento
Flights on SFO–SMF arrive on time 78% of the time over the last 12 months.
based on 1,374 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- SkyWest AirlinesOn-time78%Medianon timep9040 minCancel1.7%Flights1,374
Why flights run late
Delay causes
- Airline31%
- Weather16%
- Air traffic (NAS)24%
- Late aircraft29%
- Security0%
Most delay minutes here are attributed to Airline.
When flights don't go
Why flights were cancelled
- Airline0%
- Weather35%
- Air traffic (NAS)65%
- Security0%
Most cancellations here are attributed to Air traffic (NAS). Shares are among 23 cancellations with a reported cause (BTS reports causes from June 2003).
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 (2023-06 .. 2026-05).
Best time of day
On-time rates are fairly even by time of day on this route — ranging from 78% to 85% on time.
- Mornings85% on time · p90 25 min · 1,005 flights
- Evenings84% on time · p90 30 min · 474 flights
- Middays82% on time · p90 35 min · 685 flights
- Afternoons78% on time · p90 40 min · 423 flights
- Overnights78% on time · p90 30 min · 944 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 · 504 flights
- Saturdays84% on time · p90 25 min · 481 flights
- Wednesdays82% on time · p90 25 min · 513 flights
- Fridays81% on time · p90 30 min · 518 flights
- Thursdays81% on time · p90 30 min · 512 flights
- Sundays78% on time · p90 45 min · 487 flights
- Mondays78% on time · p90 40 min · 516 flights
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