Flight history · Aug 2025 – Jul 2026 · US DOT on-time records
WN 1542 · San Diego (SAN) → Houston (HOU)
Sold by Southwest. Still flying: 16 of the last 56 days (Tue, Wed).
Arrives on time38%within 15 minutes, of 16 flights
Cancelled0.0%of scheduled flights
An hour or more late12%of flights that operated
When late, on average61 minlate, among flights 15+ min late
Schedule
Typical times in the Jun 6 – Jul 31, 2026 schedule, local at each airport (Houston is 2 h ahead of San Diego).
- Leaves SAN
- 13:15
- Arrives HOU
- 18:35
- Flight time
- 3h 20m
- Days flown, last 8 weeks
- 16 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 SAN
All flights leaving San Diego (SAN) at 1–2 pm, wherever they’re going: 66% left within 15 minutes and 1.3% were cancelled (7,189 flights in the year). Other Southwest flights on this route →
Upcoming forecasts
This flight isn’t in our published forecasts for the next few days.