Flight history · Aug 2025 – Jul 2026 · US DOT on-time records
WN 3815 · Sacramento (SMF) → Phoenix (PHX)
Sold by Southwest. Still flying: 47 of the last 56 days (Mon–Sat).
Arrives on time94%within 15 minutes, of 49 flights
Cancelled0.0%of scheduled flights
An hour or more late2%of flights that operated
When late, on average78 minlate, among flights 15+ min late
Schedule
Typical times in the Jun 6 – Jul 31, 2026 schedule, local at each airport.
- Leaves SMF
- 05:10
- Arrives PHX
- 07:05
- Flight time
- 1h 55m
- 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 SMF
All flights leaving Sacramento (SMF) at 5–6 am, wherever they’re going: 95% left within 15 minutes and 0.4% were cancelled (2,948 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.