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

WN 1139 · Bozeman (BZN) → San Diego (SAN)

Sold by Southwest. Still flying: 39 of the last 56 days (Mon, Thu, Fri, Sat, Sun).

Arrives on time63%within 15 minutes, of 41 flights
Cancelled0.0%of scheduled flights
An hour or more late7%of flights that operated
When late, on average65 minlate, among flights 15+ min late

Schedule

Typical times in the Jun 6 – Jul 31, 2026 schedule, local at each airport (San Diego is 1 h behind Bozeman).

Leaves BZN
13:50
Arrives SAN
15:30
Flight time
2h 40m
Days flown, last 8 weeks
39 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 late37%
30+ min late27%
1h+ late7%
2h+ late5%
20%40%60%80% 015301h1h302h3h

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

Its hour at BZN

All flights leaving Bozeman (BZN) at 1–2 pm, wherever they’re going: 76% left within 15 minutes and 0.7% were cancelled (1,521 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.