Historical on-time performance
Sacramento to San Francisco
Flights on SMF–SFO arrive on time 65% of the time over the last 12 months.
based on 1,376 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- SkyWest AirlinesOn-time65%Medianon timep9060 minCancel1.7%Flights1,376
Why flights run late
Delay causes
- Airline28%
- Weather8%
- Air traffic (NAS)38%
- Late aircraft27%
- Security0%
Most delay minutes here are attributed to Air traffic (NAS).
When flights don't go
Why flights were cancelled
- Airline0%
- Weather38%
- Air traffic (NAS)63%
- Security0%
Most cancellations here are attributed to Air traffic (NAS). Shares are among 24 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 SMF → SFO
All airlines · rolling 36 months (2023-06 .. 2026-05).
Best time of day
Mornings are the most reliable time of day to fly this route — 91% on time.
- Mornings91% on time · p90 10 min · 977 flights
- Afternoons76% on time · p90 50 min · 811 flights
- Evenings71% on time · p90 55 min · 312 flights
- Middays70% on time · p90 50 min · 1,004 flights
- Overnights53% on time · p90 55 min · 426 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 70% to 81% on time.
- Saturdays81% on time · p90 30 min · 482 flights
- Tuesdays79% on time · p90 30 min · 504 flights
- Thursdays75% on time · p90 50 min · 515 flights
- Sundays75% on time · p90 45 min · 487 flights
- Wednesdays74% on time · p90 50 min · 513 flights
- Fridays72% on time · p90 45 min · 516 flights
- Mondays70% on time · p90 50 min · 513 flights
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