Flight history · Aug 2025 – Jul 2026 · US DOT on-time records
WN 3681 · San Jose (SJC) → Los Angeles (LAX)
Sold by Southwest. Still flying: 47 of the last 56 days (Mon–Sat).
Arrives on time31%within 15 minutes, of 49 flights
Cancelled0.0%of scheduled flights
An hour or more late10%of flights that operated
When late, on average42 minlate, among flights 15+ min late
Schedule
Typical times in the Jun 6 – Jul 31, 2026 schedule, local at each airport.
- Leaves SJC
- 20:20
- Arrives LAX
- 21:45
- Flight time
- 1h 20m
- Days flown, last 8 weeks
- 47 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 SJC
All flights leaving San Jose (SJC) at 8–9 pm, wherever they’re going: 73% left within 15 minutes and 0.6% were cancelled (2,128 flights in the year). Other Southwest flights on this route →
Upcoming forecasts
Our odds that this flight is late or cancelled on the days we publish.