CLD → SFO United Airlines

United Airlines · Carlsbad, CA to San Francisco, CA · 187 flights, 2026-03-29 to 2026-06-30 · aggregated across 2 flight numbers

This route has been on time less than half the time (41%) — expect a real chance of a delay.
On-time arrival
41%
Median delay
+24 min
90th percentile
+81 min
Cancellation rate
1%

How on-time is United Airlines from CLD to SFO?

Across every United Airlines flight number on CLD → SFO (187 flights, 2026-03-29 to 2026-06-30), 41% arrived within 15 minutes of schedule. Median arrival delay +24 min; the worst 10% ran +81 min or later. 1% were cancelled.

Delay distribution

Arrival delay for completed flights (excludes cancellations and diversions).

ArrivalFlightsShare
Early / on-time7641%
16-30 min2815%
31-60 min4524%
61-120 min3117%
2+ hrs53%

Performance by month

MonthFlightsOn-timeAvg delay
2026-035100%-16 min
2026-045862%+22 min
2026-056250%+32 min
2026-06607%+50 min

Performance by day of week

DayFlightsOn-time
Mon2730%
Tue2854%
Wed2654%
Thu2631%
Fri2631%
Sat2560%
Sun2730%

UA flight numbers on CLD → SFO

Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…