ON TIMEBOARD

UA 5256 on time

United Airlines 5256: Santa Barbara to San Francisco at 4:03 p.m. (past 12 months)

On time
72%
145 flights · likely 64–78%
Cancelled
1.4%
of scheduled flights
Typical arrival
−5 min
median vs schedule
When late
+47 min
average delay
Similar flights
74%
UA, same route & hour

About 1 in 4 UA 5256 flights from Santa Barbara arrived 15+ minutes late, diverted or cancelled over the past year (28%); 1.4% were cancelled. The typical flight landed 5 minutes early.

UA 5256: SBA → SFO

Scheduled to leave Santa Barbara at 4:03 p.m. local time, operated by SkyWest as OO 5256. Over the past year it arrived on time 72% of the time (145 flights), in line with other UA flights on the route at that hour (74%). Last seen in the data Aug 31, 2026.

Month by month

40%70%100%Mar 2026: too few flights (2 flights)MarApr 2026: 62% on time (21 flights)62AprMay 2026: 61% on time (31 flights)61MayJun 2026: 87% on time (30 flights)87JunJul 2026: 77% on time (30 flights)77JulAug 2026: 68% on time (31 flights)68Aug

By day of week

DayFlightsOn time
Monday2361%
Tuesday17—
Wednesday17—
Thursday2273%
Friday2259%
Saturday2186%
Sunday2374%

Why it was late

Air traffic & airport (NAS) 63%Late inbound plane 26%Airline (crew, maintenance, ops) 12%

All flights SBA → SFO · Connecting off UA 5256? Check the risk

Questions

How often is UA 5256 from SBA to SFO late?

United Airlines 5256 from Santa Barbara, CA to San Francisco, CA arrived 15 or more minutes late, was diverted or was cancelled on 28% of 145 scheduled flights between September 2025 and August 2026. 1.4% 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.