Flight history · Aug 2025 – Jul 2026 · US DOT on-time records
WN 448 · St Louis (STL) → Chicago (MDW)
Sold by Southwest. Still flying: 16 of the last 56 days (Tue, Wed).
Arrives on time50%within 15 minutes, of 16 flights
Cancelled0.0%of scheduled flights
An hour or more late6%of flights that operated
When late, on average32 minlate, among flights 15+ min late
Schedule
Typical times in the Jun 6 – Jul 31, 2026 schedule, local at each airport.
- Leaves STL
- 16:00
- Arrives MDW
- 17:05
- Flight time
- 1h 05m
- Days flown, last 8 weeks
- 16 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 STL
All flights leaving St Louis (STL) at 4–5 pm, wherever they’re going: 64% left within 15 minutes and 1.7% were cancelled (3,208 flights in the year). Other Southwest flights on this route →
Upcoming forecasts
This flight isn’t in our published forecasts for the next few days.