SMF (Sacramento) to SAN (San Diego) flights arrive on time 77% of the time. The most reliable airline on this route is SkyWest Airlines at 78%. The average delay is 55 minutes. Delays on this route are most often caused by the incoming plane arriving late.
Source: Bureau of Transportation Statistics. Updated March 2026.SMF → SAN
SMF (Sacramento) to SAN (San Diego)
SMF → SAN on-time performance by month
24
25
JanFebMarAprMayJunJulAugSepOctNovDec
Worse
Better
This route is on time most of the time. About 77% of flights arrive on schedule.
Delays on this route are most often caused by the incoming plane arriving late.
Accurate?
Airlines are roughly equal on this route — SkyWest Airlines leads slightly at 78% vs Frontier Airlines at 75%.
Airline Comparison
SkyWest Airlines leads at 78% on time; Frontier Airlines trails at 75%.
Accurate?
Good to know
Departing from SMF
82% on timeTSA is currently ~5 min. Best time: 4 AM (about 5 min).
Arriving at SAN
80% on timeWhen flights into SAN are late, the average delay is 60 minutes. Build buffer if you have ground plans.
If connecting at SAN: TSA is ~5 min right now. Allow at least 60 minutes for a domestic connection.
Flight cancelled or delayed?
Check what SkyWest Airlines owes you — refund rights, action plan, complaint email. Free.
Free flight briefing
Know before you go
Flying SMF → SAN? We'll brief you before takeoff.
Delay riskDOT stats + live data
TSA waitCurrent checkpoint lines
WeatherBoth airports
Gate & terminalLive updates
Know someone flying soon?
Send them the link — delay data, TSA waits, weather, all free.
Data last updated March 2026. Source: Bureau of Transportation Statistics.