United UA4478 Flight Status Tracker
UA4478 is a domestic flight operated by United. UA4478 is departing from Chicago (ORD), United States and arriving at St Louis (STL), United States. The flight distance is about 415.48 km or 258.17 miles and flight time is 1 hours 19 minutes. Get the latest status of UA4478 / UAL4478 here.
Update on Jan. 13, 2026, 12:42 p.m.
Lastest Status
Scheduled On time
ORD
Departure
Chicago O'Hare International Airport
Scheduled Departure:
09:40
Estimate Departure:
09:40
Departure Terminal:
T1 Gate None
Distance:
415.48 km / 258.17 miles or 224.34 nautical miles.
STL
Arrival
Lambert International Airport
Scheduled Arrival:
11:44
Estimate Arrival:
11:44
Arrival Terminal:
Gate None
Flight UA4478 detail information
- Type Domestic Flight
- Route Departure Chicago (ORD), United States and arriving at St Louis (STL), United States
- Airlines United (UA)
- Aircraft CR5
- Flight Duration 1 hours 19 minutes
- Flight Distance 415.48 km /258.17 miles
- Operating Days Monday, Tuesday, Wednesday, Thursday, Friday, Saturday, Sunday
UA4478 Airports
Departures
- Airport: Chicago O'Hare International Airport, United States
- ICAO Code: ORD
- ORD Current time: 04:04 14-Jan-2026
Arrivals
- Airport: Lambert International Airport, United States
- ICAO Code: STL
- STL Current time: 04:04 14-Jan-2026