Flight history · Aug 2025 – Jul 2026 · US DOT on-time records
UA 1920 · Chicago (ORD) → Sacramento (SMF)
Sold by United. Still flying: 56 of the last 56 days (Daily).
Arrives on time64%within 15 minutes, of 248 flights
Cancelled1.6%of scheduled flights
An hour or more late14%of flights that operated
When late, on average69 minlate, among flights 15+ min late
Schedule
Typical times in the Jun 6 – Jul 31, 2026 schedule, local at each airport (Sacramento is 2 h behind Chicago).
- Leaves ORD
- 16:05
- Arrives SMF
- 18:43
- Flight time
- 4h 38m
- 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 ORD
All flights leaving Chicago (ORD) at 4–5 pm, wherever they’re going: 70% left within 15 minutes and 3.6% were cancelled (23,683 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.