ON TIMEBOARD

AS 3347 on time

Alaska Airlines 3347: San Diego to San Francisco at 11:04 a.m. (past 12 months)

On time
55%
276 flights · likely 49–61%
Cancelled
1.8%
of scheduled flights
Typical arrival
+6 min
median vs schedule
When late
+62 min
average delay
Similar flights
38%
AS, same route & hour

About 1 in 2 AS 3347 flights from San Diego arrived 15+ minutes late, diverted or cancelled over the past year (45%); 1.8% were cancelled. The typical flight landed 6 minutes late.

AS 3347: SAN → SFO

Scheduled to leave San Diego at 11:04 a.m. local time, operated by SkyWest as OO 3347. Over the past year it arrived on time 55% of the time (276 flights), better than other AS flights on the route at that hour (38%). Last seen in the data Aug 31, 2026.

Month by month

10%55%100%Aug 2025: 77% on time (31 flights)77AugSep 2025: 80% on time (30 flights)80SepOct 2025: 55% on time (31 flights)55OctNov 2025: 62% on time (29 flights)62NovDec 2025: 55% on time (31 flights)55DecJan 2026: 81% on time (27 flights)81JanFeb 2026: too few flights (10 flights)FebMar 2026: too few flights (14 flights)MarApr 2026: 71% on time (21 flights)71AprJun 2026: 19% on time (21 flights)19JunJul 2026: 29% on time (31 flights)29JulAug 2026: 16% on time (31 flights)16Aug

By day of week

DayFlightsOn time
Monday4154%
Tuesday4060%
Wednesday4156%
Thursday3951%
Friday4045%
Saturday3566%
Sunday4055%

Why it was late

Air traffic & airport (NAS) 57%Late inbound plane 29%Airline (crew, maintenance, ops) 11%Severe weather 3%

All flights SAN → SFO · Connecting off AS 3347? Check the risk

Questions

How often is AS 3347 from SAN to SFO late?

Alaska Airlines 3347 from San Diego, CA to San Francisco, CA arrived 15 or more minutes late, was diverted or was cancelled on 45% of 276 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 Alaska Airlines for today's flight. Method.