United UA5421 Flight Status Tracker
UA5421 is a domestic flight operated by United. UA5421 is departing from Houston (IAH), United States and arriving at St Louis (STL), United States. The flight distance is about 1073.63 km or 667.12 miles and flight time is 1 hours 36 minutes. Get the latest status of UA5421 / UAL5421 here.
Update on March 1, 2026, 8:37 p.m.
Lastest Status
Departed On time
| IAH | STL |
Distance: 1073.63 km / 667.12 miles or 579.71 nautical miles.
Departure Houston George Bush Intercontinental Airport
Actual Departure: 13:31
Scheduled Departure: 13:40
Departure Terminal : N/A Gate None
Arrival Lambert International Airport
Estimate Arrival: 16:24
Scheduled Arrival: 16:17
Arrival Terminal : N/A Gate None
Flight UA5421 detail information
| Type | Domestic Flight |
| Route | Departure Houston (IAH), United States and arriving at St Louis (STL), United States |
| Airlines | United (UA) |
| Aircraft | 738 |
| Flight Duration | 1 hours 36 minutes |
| Flight Distance | 1073.63 km /667.12 miles |
| Operating Days | Tuesday, Wednesday, Thursday, Friday, Saturday, Sunday |
Find more flight status
UA5421 Airports
| Departures |
|---|
| Airport: Houston George Bush Intercontinental Airport, United States |
| ICAO Code: IAH |
| IAH Current time: 15:55 01-Mar-2026 |
| Arrivals |
| Airport: Lambert International Airport, United States |
| ICAO Code: STL |
| STL Current time: 15:55 01-Mar-2026 |