Flight history · Aug 2025 – Jul 2026 · US DOT on-time records
WN 4864 · Chicago (MDW) → Spokane (GEG)
Sold by Southwest. Still flying: 40 of the last 56 days (Mon–Fri).
Arrives on time55%within 15 minutes, of 42 flights
Cancelled0.0%of scheduled flights
An hour or more late7%of flights that operated
When late, on average41 minlate, among flights 15+ min late
Schedule
Typical times in the Jun 6 – Jul 31, 2026 schedule, local at each airport (Spokane is 2 h behind Chicago).
- Leaves MDW
- 11:50
- Arrives GEG
- 13:35
- Flight time
- 3h 45m
- Days flown, last 8 weeks
- 40 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 11 am–12 pm, wherever they’re going: 71% left within 15 minutes and 1.3% were cancelled (3,160 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.