SAN to OAK flight delays

SAN OAK San Diego to Oakland San Francisco Bay · 446 miles

10,343 flights were scheduled from SAN to OAK over July 2023 through June 2026. Of the 10,213 that made the trip, 76.8% reached the gate less than 15 minutes behind schedule. These are arrival figures: “on time” means the flight reached the gate less than 15 minutes behind schedule. Arrivals are what decide whether you make the connection, so route and airline pages are scored on them rather than on pushback.

Data through June 2026 · Bureau of Transportation Statistics

The route in brief

Flights in the window
10,343
Arrived on time
76.8%
Cancelled
1.2%
Scheduled distance
446 miles

Cancellations are counted against everything scheduled. Diverted flights are counted with them rather than as very late arrivals, which is why the on-time share and the cancellation rate do not add up to everything that happened.

Airline by airline

Airlines with at least 100 flights on SAN–OAK, busiest first. Same route, same weather, same air traffic — which makes this the fairest comparison on the site.

Airline Arrived on time Typical delay Cancelled Flights
Southwest Airlines 77% 49 min 1.2% 9,457
Spirit Airlines 76.4% 63 min 1.6% 686
SkyWest Airlines 72.6% 54 min 1.5% 200

Month by month

June was the month to avoid on SAN–OAK: 66.1% of flights arrived on time, against 85.1% in January. Each bar pools three years of that calendar month.

Share of flights that arrived on time, by calendar month. Best month in green, worst in amber. The hairline sits at the overall rate, 76.8%.
Arrival on-time share, SAN to OAK, by calendar month
Month Share flights that arrived on time Flights
January 85.1% 754
February 81.8% 707
March 81% 792
April 79.1% 829
May 74.4% 923
June 66.1% 871
July 73.6% 942
August 74.8% 946
September 77% 909
October 73.1% 922
November 82% 873
December 77.5% 875

Both ends of the route

A route’s record is built out of two airports’ habits. The hour-by-hour grid for each is on its own page.

SAN to OAK in one number

SAN → OAK

When a flight on this route was late, it was late by about 50 min.

July 2023–June 2026 · 10,343 flights

76.8% of flights arrived on time

Questions about SAN to OAK

Which airline is most reliable from SAN to OAK?
Southwest Airlines — its flights on this pairing arrived on time 77% of the time, with 9,457 scheduled. SkyWest Airlines came in at 72.6% over 200 scheduled. Airlines with fewer than 100 flights on the route are not rated.
What is the worst month to fly SAN to OAK?
June, at 66.1% of arrivals on time, with 871 flights scheduled. January was the best of the year at 85.1%.
How late are SAN–OAK flights when they are late?
50 min on average, counting only the flights that arrived 15 minutes or more behind schedule. The on-time flights are left out of that average on purpose — mixing them in would flatter it.
How often is the SAN to OAK flight cancelled?
1.2% of scheduled flights on this route were cancelled, July 2023 through June 2026. Diverted flights are counted with the cancellations rather than as late arrivals.
Are these departure or arrival numbers?
Arrival. A flight counts as on time here if it reached the gate at OAK less than 15 minutes behind schedule. Airport pages score departures instead, because that is the number you can act on when you pick a booking time.