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. 14, 2026, 10:04 a.m.
Lastest Status
Arrived On time
| ORD | STL |
Distance: 415.48 km / 258.17 miles or 224.34 nautical miles.
Departure Chicago O'Hare International Airport
Actual Departure: 09:28
Scheduled Departure: 09:40
Departure Terminal : T1 Gate None
Arrival Lambert International Airport
Actual Arrival: 11:19
Scheduled 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 |
Find more flight status
UA4478 Airports
| Departures |
|---|
| Airport: Chicago O'Hare International Airport, United States |
| ICAO Code: ORD |
| ORD Current time: 19:38 14-Jan-2026 |
| Arrivals |
| Airport: Lambert International Airport, United States |
| ICAO Code: STL |
| STL Current time: 19:38 14-Jan-2026 |