San Diego, CA → Chicago, IL flight delays
SAN → ORD · all airlines · 333 flights · April 2026 · source: US BTS
This route is delayed
21%of the time, by +105 min on average when it does.
This is history, not a promise — your specific flight could well be on time.
On-time rate
79%
Delayed 3h+
3%
Cancelled
0.3%
Avg when late
+105m
Best & worst day to fly
Most on-time
Tuesday
delayed 8%
Worst
Friday
delayed 38%
Which airline is most punctual on SAN → ORD?
Uniteddelayed 16%
Alaskadelayed 19%
Americandelayed 27%
Frequently asked
How often is the San Diego, CA to Chicago, IL flight delayed?
About 21% of SAN → ORD flights arrive late (15+ minutes), by an average of 105 minutes when they do, based on 333 flights in April 2026.
Which airline is most punctual on SAN → ORD?
United, delayed 16% of the time — the best of the 3 airlines flying this route.
What is the best day to fly SAN → ORD?
Tuesday is the most on-time (delayed 8%), while Friday is the worst (delayed 38%).
Airport overviews