Flight history · Aug 2025 – Jul 2026 · US DOT on-time records
UA 581 · Baltimore (BWI) → Chicago (ORD)
Sold by United. Still flying: 19 of the last 56 days.
Arrives on time88%within 15 minutes, of 35 flights
Cancelled2.9%of scheduled flights
An hour or more late3%of flights that operated
When late, on average46 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 Baltimore).
- Leaves BWI
- 06:20
- Arrives ORD
- 07:35
- Flight time
- 2h 15m
- Days flown, last 8 weeks
- 19 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 BWI
All flights leaving Baltimore (BWI) at 6–7 am, wherever they’re going: 91% left within 15 minutes and 1.8% were cancelled (9,102 flights in the year). Other United flights on this route →
Upcoming forecasts
This flight isn’t in our published forecasts for the next few days.