United UA3812 Flight Status Tracker
UA3812 is a domestic flight operated by United. UA3812 is departing from Knoxville (TYS), United States and arriving at Chicago (ORD), United States. The flight distance is about 764.45 km or 475.01 miles and flight time is 1 hours 41 minutes. Get the latest status of UA3812 / UAL3812 here.
Update on Dec. 15, 2025, 12:45 a.m.
Lastest Status
N/A
| TYS | ORD |
Distance: 764.45 km / 475.01 miles or 412.77 nautical miles.
Departure Knoxville Airport
Scheduled Departure: 4 p.m.
Departure Terminal : N/A Gate None
Arrival Chicago O'Hare International Airport
Scheduled Arrival: 6:20 p.m.
Arrival Terminal : 2 Gate None
Flight UA3812 detail information
| Type | Domestic Flight |
| Route | Departure Knoxville (TYS), United States and arriving at Chicago (ORD), United States |
| Airlines | United (UA) |
| Aircraft | CRJ2 |
| Flight Duration | 1 hours 41 minutes |
| Flight Distance | 764.45 km /475.01 miles |
| Operating Days | Monday, Tuesday, Wednesday, Thursday, Friday, Saturday, Sunday |
Find more flight status
UA3812 Airports
| Departures |
|---|
| Airport: Knoxville Airport, United States |
| ICAO Code: TYS |
| TYS Current time: 18:45 02-Mar-2026 |
| Arrivals |
| Airport: Chicago O'Hare International Airport, United States |
| ICAO Code: ORD |
| ORD Current time: 17:45 02-Mar-2026 |