ON TIMEBOARD

UA 4737 on time

United Airlines 4737: San Francisco to Bakersfield at 10:35 p.m. (past 12 months)

On time
62%
221 flights · likely 56–69%
Cancelled
1.8%
of scheduled flights
Typical arrival
+4 min
median vs schedule
When late
+102 min
average delay
Similar flights
62%
UA, same route & hour

About 1 in 3 UA 4737 flights from San Francisco arrived 15+ minutes late, diverted or cancelled over the past year (38%); 1.8% were cancelled. The typical flight landed 4 minutes late.

UA 4737: SFO → BFL

Scheduled to leave San Francisco at 10:35 p.m. local time, operated by SkyWest as OO 4737. Over the past year it arrived on time 62% of the time (221 flights), in line with other UA flights on the route at that hour (62%). Last seen in the data Aug 31, 2026.

Usually United Airlines's last flight of the day from San Francisco to Bakersfield (99% of days). United Airlines's last SFO–BFL flight was cancelled 1.8% of the time, against 0.0% for its earlier ones. If it's cancelled, the next United Airlines flight is usually around 10:25 a.m. the next morning.

Month by month

30%65%100%Jun 2025: 60% on time (30 flights)60JunJul 2025: 63% on time (30 flights)63JulAug 2025: 85% on time (26 flights)85AugSep 2025: 78% on time (23 flights)78SepOct 2025: 68% on time (31 flights)68OctNov 2025: 72% on time (29 flights)72NovDec 2025: 43% on time (30 flights)43DecJan 2026: too few flights (5 flights)JanMay 2026: too few flights (11 flights)MayJun 2026: 43% on time (30 flights)43JunJul 2026: 68% on time (31 flights)68JulAug 2026: 71% on time (31 flights)71Aug

By day of week

DayFlightsOn time
Monday3450%
Tuesday2879%
Wednesday3171%
Thursday3247%
Friday3352%
Saturday3067%
Sunday3376%

Why it was late

Late inbound plane 30%Air traffic & airport (NAS) 28%Airline (crew, maintenance, ops) 26%Severe weather 16%

All flights SFO → BFL · Connecting off UA 4737? Check the risk

Questions

How often is UA 4737 from SFO to BFL late?

United Airlines 4737 from San Francisco, CA to Bakersfield, CA arrived 15 or more minutes late, was diverted or was cancelled on 38% of 221 scheduled flights between September 2025 and August 2026. 1.8% were cancelled.

Flight numbers change. Figures cover flights with this airline, number and route only. "Likely range" is the 95% interval for the true on-time rate given the number of flights. This is history, not live status: check United Airlines for today's flight. Method.