Flight history · Aug 2025 – Jul 2026 · US DOT on-time records
WN 1638 · Denver (DEN) → Minneapolis (MSP)
Sold by Southwest. Still flying: 48 of the last 56 days (Mon, Tue, Wed, Thu, Fri, Sun).
Arrives on time50%within 15 minutes, of 50 flights
Cancelled0.0%of scheduled flights
An hour or more late6%of flights that operated
When late, on average38 minlate, among flights 15+ min late
Schedule
Typical times in the Jun 6 – Jul 31, 2026 schedule, local at each airport (Minneapolis is 1 h ahead of Denver).
- Leaves DEN
- 13:42
- Arrives MSP
- 16:40
- Flight time
- 1h 58m
- Days flown, last 8 weeks
- 48 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 DEN
All flights leaving Denver (DEN) at 1–2 pm, wherever they’re going: 81% left within 15 minutes and 0.7% were cancelled (29,049 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.