UA313 SNA → SFO

United Airlines · Santa Ana, CA to San Francisco, CA · 49 flights observed, 2025-07-01 to 2025-08-18 · 372 mi

This flight's reliability varies a lot by day of week — 100% on-time on Wednesdays vs. 43% on Sundays.

UA313 covers more than one route in the data window — the stats below are for SNA → SFO, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
83%
Median delay
-7 min
90th percentile
+33 min
Cancellation rate
2%

How often is UA313 on time?

Across 49 flights on SNA → SFO from 2025-07-01 to 2025-08-18, UA313 arrived within 15 minutes of schedule 83% of the time. The median arrival delay was -7 min, and the worst 10% of flights arrived +33 min or later. 2% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time4083%
16-30 min12%
31-60 min48%
61-120 min24%
2+ hrs12%

Performance by month

MonthFlightsOn-timeAvg delay
2025-073184%-2 min
2025-081782%+17 min

Performance by day of week

DayFlightsOn-time
Mon786%
Tue786%
Wed7100%
Thu683%
Fri7100%
Sat786%
Sun743%

Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…