United UA9855 Flight Status Tracker
UA9855 is a international flight operated by United. UA9855 is departing from Boston (BOS), United States and arriving at Vienna (VIE), Austria. The flight distance is about 6522.71 km or 4053.02 miles and flight time is 8 hours 10 minutes. Get the latest status of UA9855 / UAL9855 here.
Update on Dec. 31, 2025, 3:28 a.m.
Lastest Status
N/A
| BOS | VIE |
Distance: 6522.71 km / 4053.02 miles or 3521.98 nautical miles.
Departure Boston Logan International Airport
Scheduled Departure: 6:25 p.m.
Departure Terminal : None Gate None
Arrival Vienna Airport
Scheduled Arrival: 8:20 a.m.
Arrival Terminal : None Gate None
Flight UA9855 detail information
| Type | International Flight |
| Route | Departure Boston (BOS), United States and arriving at Vienna (VIE), Austria |
| Airlines | United (UA) |
| Aircraft | 76W |
| Flight Duration | 8 hours 10 minutes |
| Flight Distance | 6522.71 km /4053.02 miles |
| Operating Days |
Find more flight status
UA9855 Airports
| Departures |
|---|
| Airport: Boston Logan International Airport, United States |
| ICAO Code: BOS |
| BOS Current time: 17:01 28-Feb-2026 |
| Arrivals |
| Airport: Vienna Airport, Austria |
| ICAO Code: VIE |
| VIE Current time: 23:01 28-Feb-2026 |