Flight history · Aug 2025 – Jul 2026 · US DOT on-time records

WN 3784 · Sacramento (SMF) → Las Vegas (LAS)

Sold by Southwest. Still flying: 47 of the last 56 days (Daily).

Arrives on time96%within 15 minutes, of 49 flights
Cancelled0.0%of scheduled flights
An hour or more late4%of flights that operated
When late, on average195 minlate, among flights 15+ min late

Schedule

Typical times in the Jun 6 – Jul 31, 2026 schedule, local at each airport.

Leaves SMF
05:25
Arrives LAS
06:50
Flight time
1h 25m
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.

15+ min late4%
30+ min late4%
1h+ late4%
2h+ late4%
10%20% 015301h1h302h3h

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.