United UA3858 Flight Status Tracker
UA3858 is a domestic flight operated by United. UA3858 is departing from St Louis (STL), United States and arriving at Washington (IAD), United States. The flight distance is about 1121.82 km or 697.07 miles and flight time is 2 hours 5 minutes. Get the latest status of UA3858 / UAL3858 here.
Update on Nov. 8, 2025, 1:18 p.m.
Lastest Status
N/A
| STL | IAD |
Distance: 1121.82 km / 697.07 miles or 605.74 nautical miles.
Departure Lambert International Airport
Scheduled Departure: 1 p.m.
Departure Terminal : N/A Gate None
Arrival Washington Dulles Airport
Scheduled Arrival: 8:30 a.m.
Arrival Terminal : 2 Gate None
Flight UA3858 detail information
| Type | Domestic Flight |
| Route | Departure St Louis (STL), United States and arriving at Washington (IAD), United States |
| Airlines | United (UA) |
| Aircraft | CRJ |
| Flight Duration | 2 hours 5 minutes |
| Flight Distance | 1121.82 km /697.07 miles |
| Operating Days | Monday, Wednesday, Friday, Sunday |
Find more flight status
UA3858 Airports
| Departures |
|---|
| Airport: Lambert International Airport, United States |
| ICAO Code: STL |
| STL Current time: 21:43 11-Jan-2026 |
| Arrivals |
| Airport: Washington Dulles Airport, United States |
| ICAO Code: IAD |
| IAD Current time: 22:43 11-Jan-2026 |