Flight history · Aug 2025 – Jul 2026 · US DOT on-time records
WN 1200 · Columbus (CMH) → Chicago (MDW)
Sold by Southwest. Still flying: 48 of the last 56 days (Mon, Tue, Wed, Thu, Fri, Sun).
Arrives on time62%within 15 minutes, of 50 flights
Cancelled2.0%of scheduled flights
An hour or more late12%of flights that operated
When late, on average76 minlate, among flights 15+ min late
Schedule
Typical times in the Jun 6 – Jul 31, 2026 schedule, local at each airport (Chicago is 1 h behind Columbus).
- Leaves CMH
- 20:08
- Arrives MDW
- 20:22
- Flight time
- 1h 15m
- 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 CMH
All flights leaving Columbus (CMH) at 8–9 pm, wherever they’re going: 64% left within 15 minutes and 2.4% were cancelled (1,276 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.