Sacramento, CA → San Diego, CA flight delays
SMF → SAN · all airlines · 452 flights · April 2026 · source: US BTS
This route is delayed
23%of the time, by +37 min on average when it does.
This is history, not a promise — your specific flight could well be on time.
On-time rate
77%
Delayed 3h+
0%
Cancelled
0.7%
Avg when late
+37m
Best & worst day to fly
Most on-time
Wednesday
delayed 9%
Worst
Thursday
delayed 35%
Which airline is most punctual on SMF → SAN?
Alaskadelayed 3%
SkyWestdelayed 9%
Southwestdelayed 29%
Frequently asked
How often is the Sacramento, CA to San Diego, CA flight delayed?
About 23% of SMF → SAN flights arrive late (15+ minutes), by an average of 37 minutes when they do, based on 452 flights in April 2026.
Which airline is most punctual on SMF → SAN?
Alaska, delayed 3% of the time — the best of the 3 airlines flying this route.
What is the best day to fly SMF → SAN?
Wednesday is the most on-time (delayed 9%), while Thursday is the worst (delayed 35%).
Airport overviews