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

WN 2931 · Miami (MIA) → St Louis (STL)

Sold by Southwest. Still flying: 55 of the last 56 days (Daily).

Arrives on time95%within 15 minutes, of 57 flights
Cancelled0.0%of scheduled flights
An hour or more late0%of flights that operated
When late, on average24 minlate, among flights 15+ min late

Schedule

Typical times in the Jun 6 – Jul 31, 2026 schedule, local at each airport (St Louis is 1 h behind Miami).

Leaves MIA
07:15
Arrives STL
09:05
Flight time
2h 50m
Days flown, last 8 weeks
55 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 late5%
30+ min late2%
1h+ late0%
2h+ late0%
10% 015301h1h302h3h

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

Its hour at MIA

All flights leaving Miami (MIA) at 7–8 am, wherever they’re going: 91% left within 15 minutes and 1.1% were cancelled (7,433 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.