Flight history · Aug 2025 – Jul 2026 · US DOT on-time records
WN 1020 · Chicago (MDW) → Baltimore (BWI)
Sold by Southwest. Still flying: 12 of the last 56 days (Mon, Thu, Fri).
Arrives on time42%within 15 minutes, of 12 flights
Cancelled0.0%of scheduled flights
An hour or more late33%of flights that operated
When late, on average129 minlate, among flights 15+ min late
Schedule
Typical times in the Jun 6 – Jul 31, 2026 schedule, local at each airport (Baltimore is 1 h ahead of Chicago).
- Leaves MDW
- 14:30
- Arrives BWI
- 17:25
- Flight time
- 1h 55m
- Days flown, last 8 weeks
- 12 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 MDW
All flights leaving Chicago (MDW) at 2–3 pm, wherever they’re going: 67% left within 15 minutes and 1.5% were cancelled (3,538 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.