Historical on-time performance
Long Beach to Sacramento
387 miData through May 2026Source: US DOT · BTS
Flights on LGB–SMF arrive on time 88% of the time over the last 12 months.
On-time rate88%arrived within 15 min
p90 delay15 min1 in 10 flights is worse (tail risk)
Cancelled0.4%of scheduled flights
based on 1,917 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Southwest AirlinesOn-time88%Medianon timep9015 minCancel0.4%Flights1,917
Why flights run late
Delay causes
- Airline9%
- Weather0%
- Air traffic (NAS)9%
- Late aircraft82%
- Security0%
Most delay minutes here are attributed to Late aircraft.
When flights don't go
Why flights were cancelled
- Airline50%
- Weather50%
- Air traffic (NAS)0%
- Security0%
Most cancellations here are attributed to Airline. Shares are among 8 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 LGB → SMF
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 — 95% on time.
- Mornings95% on time · p90 on time · 1,531 flights
- Middays89% on time · p90 15 min · 1,495 flights
- Afternoons85% on time · p90 20 min · 1,018 flights
- Evenings82% on time · p90 30 min · 1,586 flights
- Overnights81% on time · p90 25 min · 134 flights · limited
Best day of week
On-time rates are fairly even by day on this route — ranging from 84% to 92% on time.
- Wednesdays92% on time · p90 5 min · 848 flights
- Tuesdays91% on time · p90 10 min · 848 flights
- Saturdays88% on time · p90 20 min · 669 flights
- Mondays87% on time · p90 20 min · 884 flights
- Sundays86% on time · p90 20 min · 752 flights
- Thursdays86% on time · p90 25 min · 880 flights
- Fridays84% on time · p90 25 min · 883 flights
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