Flight history · Aug 2025 – Jul 2026 · US DOT on-time records
UA 5821 · Chicago (ORD) → Milwaukee (MKE)
Sold by United, flown by SkyWest. Not in the Jun 6 – Jul 31, 2026 schedule; last flew 2026-05-20.
Arrives on time73%within 15 minutes, of 240 flights
Cancelled4.2%of scheduled flights
An hour or more late8%of flights that operated
When late, on average59 minlate, among flights 15+ min late
Schedule
Typical times in the Jun 6 – Jul 31, 2026 schedule, local at each airport.
- Leaves ORD
- 09:12
- Arrives MKE
- 10:18
- Flight time
- 1h 06m
- Days flown, last 8 weeks
- 0 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 ORD
All flights leaving Chicago (ORD) at 9–10 am, wherever they’re going: 80% left within 15 minutes and 1.5% were cancelled (25,877 flights in the year). Other United flights on this route →
Upcoming forecasts
Our odds that this flight is late or cancelled on the days we publish.