United UA4857 Flight Status Tracker
UA4857 is a domestic flight operated by United. UA4857 is departing from Washington (IAD), United States and arriving at Roanoke (ROA), United States. The flight distance is about 285.90 km or 177.65 miles and flight time is 1 hours 0 minutes. Get the latest status of UA4857 / UAL4857 here.
Update on Nov. 6, 2025, 3:19 a.m.
Lastest Status
N/A
| IAD | ROA |
Distance: 285.90 km / 177.65 miles or 154.37 nautical miles.
Departure Washington Dulles Airport
Scheduled Departure: 9:30 a.m.
Departure Terminal : N/A Gate None
Arrival Roanoke Airport
Scheduled Arrival: 11:28 a.m.
Arrival Terminal : N/A Gate None
Flight UA4857 detail information
| Type | Domestic Flight |
| Route | Departure Washington (IAD), United States and arriving at Roanoke (ROA), United States |
| Airlines | United (UA) |
| Aircraft | CRJ2 |
| Flight Duration | 1 hours 0 minutes |
| Flight Distance | 285.90 km /177.65 miles |
| Operating Days | Monday, Tuesday, Wednesday, Thursday, Friday, Saturday, Sunday |
Find more flight status
UA4857 Airports
| Departures |
|---|
| Airport: Washington Dulles Airport, United States |
| ICAO Code: IAD |
| IAD Current time: 22:43 11-Jan-2026 |
| Arrivals |
| Airport: Roanoke Airport, United States |
| ICAO Code: ROA |
| ROA Current time: 22:43 11-Jan-2026 |