United UA4253 Flight Status Tracker
UA4253 is a domestic flight operated by United. UA4253 is departing from Chicago (ORD), United States and arriving at Knoxville (TYS), United States. The flight distance is about 764.45 km or 475.01 miles and flight time is 2 hours 0 minutes. Get the latest status of UA4253 / UAL4253 here.
Update on Jan. 15, 2026, 9:28 p.m.
Lastest Status
Arrived On time
| ORD | TYS |
Distance: 764.45 km / 475.01 miles or 412.77 nautical miles.
Departure Chicago O'Hare International Airport
Actual Departure: 12:44
Scheduled Departure: 12:39
Departure Terminal : A Gate None
Arrival Knoxville Airport
Actual Arrival: 13:33
Scheduled Arrival: 13:49
Arrival Terminal : N/A Gate None
Flight UA4253 detail information
| Type | Domestic Flight |
| Route | Departure Chicago (ORD), United States and arriving at Knoxville (TYS), United States |
| Airlines | United (UA) |
| Aircraft | ERJ |
| Flight Duration | 2 hours 0 minutes |
| Flight Distance | 764.45 km /475.01 miles |
| Operating Days | Monday, Tuesday, Wednesday, Thursday, Friday, Saturday, Sunday |
Find more flight status
UA4253 Airports
| Departures |
|---|
| Airport: Chicago O'Hare International Airport, United States |
| ICAO Code: ORD |
| ORD Current time: 22:01 15-Jan-2026 |
| Arrivals |
| Airport: Knoxville Airport, United States |
| ICAO Code: TYS |
| TYS Current time: 23:01 15-Jan-2026 |