Flight history · Aug 2025 – Jul 2026 · US DOT on-time records
AS 2121 · San Francisco (SFO) → San Diego (SAN)
Sold by Alaska, flown by Horizon. Still flying: 4 of the last 56 days.
Arrives on time65%within 15 minutes, of 27 flights
Cancelled3.7%of scheduled flights
An hour or more late12%of flights that operated
When late, on average53 minlate, among flights 15+ min late
Schedule
Typical times in the Jun 6 – Jul 31, 2026 schedule, local at each airport.
- Leaves SFO
- 07:20
- Arrives SAN
- 08:59
- Flight time
- 1h 39m
- Days flown, last 8 weeks
- 4 of 56
Each square is a day, Sat Jun 6 to Fri Jul 31, two weeks per row (each column is the same weekday); filled = flew.
How late it arrives
Share of flights that operated arriving more than this late.
Horizontal: minutes late at arrival (0 to 3 hours). Vertical: share of flights later than that.
Its hour at SFO
All flights leaving San Francisco (SFO) at 7–8 am, wherever they’re going: 92% left within 15 minutes and 1.1% were cancelled (8,436 flights in the year). Other Alaska flights on this route →
Upcoming forecasts
This flight isn’t in our published forecasts for the next few days.