Flight history · Aug 2025 – Jul 2026 · US DOT on-time records
UA 4857 · Manchester (MHT) → Dulles (IAD)
Sold by United, flown by CommuteAir. Still flying: 56 of the last 56 days (Daily).
Arrives on time91%within 15 minutes, of 169 flights
Cancelled0.6%of scheduled flights
An hour or more late4%of flights that operated
When late, on average155 minlate, among flights 15+ min late
Schedule
Typical times in the Jun 6 – Jul 31, 2026 schedule, local at each airport.
- Leaves MHT
- 09:25
- Arrives IAD
- 11:19
- Flight time
- 1h 54m
- 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 MHT
All flights leaving Manchester (MHT) at 9–10 am, wherever they’re going: 94% left within 15 minutes and 0.4% were cancelled (459 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.