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

WN 3165 · Ontario (ONT) → Sacramento (SMF)

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

Arrives on time97%within 15 minutes, of 58 flights
Cancelled0.0%of scheduled flights
An hour or more late2%of flights that operated
When late, on average110 minlate, among flights 15+ min late

Schedule

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

Leaves ONT
06:00
Arrives SMF
07:25
Flight time
1h 25m
Days flown, last 8 weeks
56 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 late3%
30+ min late3%
1h+ late2%
2h+ late2%
10% 015301h1h302h3h

Horizontal: minutes late at arrival (0 to 3 hours). Vertical: share of flights later than that.

Its hour at ONT

All flights leaving Ontario (ONT) at 6–7 am, wherever they’re going: 94% left within 15 minutes and 0.7% were cancelled (3,779 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.