Flight history · Aug 2025 – Jul 2026 · US DOT on-time records
UA 1983 · Miami (MIA) → Chicago (ORD)
Sold by United. Still flying: 56 of the last 56 days (Daily).
Arrives on time82%within 15 minutes, of 301 flights
Cancelled0.3%of scheduled flights
An hour or more late7%of flights that operated
When late, on average77 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 Miami).
- Leaves MIA
- 12:30
- Arrives ORD
- 15:13
- Flight time
- 3h 43m
- Days flown, last 8 weeks
- 56 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 MIA
All flights leaving Miami (MIA) at 12–1 pm, wherever they’re going: 76% left within 15 minutes and 1.1% were cancelled (4,652 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.