United UA4100 Flight Status Tracker
UA4100 is a domestic flight operated by United. UA4100 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 2 hours 50 minutes. Get the latest status of UA4100 / UAL4100 here.
Update on March 1, 2021, 7:14 p.m.
Lastest Status
N/A
| ORD | STL |
Distance: 415.48 km / 258.17 miles or 224.34 nautical miles.
Departure Chicago O'Hare International Airport
Scheduled Departure: 9:30 p.m.
Departure Terminal : 2 Gate None
Arrival Lambert International Airport
Scheduled Arrival: 1:15 a.m.
Arrival Terminal : N/A Gate None
Flight UA4100 detail information
| Type | Domestic Flight |
| Route | Departure Chicago (ORD), United States and arriving at St Louis (STL), United States |
| Airlines | United (UA) |
| Aircraft | |
| Flight Duration | 2 hours 50 minutes |
| Flight Distance | 415.48 km /258.17 miles |
| Operating Days | Tuesday, Wednesday, Thursday, Friday, Saturday, Sunday |
Find more flight status
UA4100 Airports
| Departures |
|---|
| Airport: Chicago O'Hare International Airport, United States |
| ICAO Code: ORD |
| ORD Current time: 07:04 02-Mar-2026 |
| Arrivals |
| Airport: Lambert International Airport, United States |
| ICAO Code: STL |
| STL Current time: 07:04 02-Mar-2026 |