United UA3991 Flight Status Tracker
UA3991 is a domestic flight operated by United. UA3991 is departing from Atlanta (ATL), United States and arriving at Houston (IAH), United States. The flight distance is about 1107.76 km or 688.33 miles and flight time is 1 hours 17 minutes. Get the latest status of UA3991 / UAL3991 here.
Update on Feb. 5, 2026, 5:57 p.m.
Lastest Status
Arrived On time
| ATL | IAH |
Distance: 1107.76 km / 688.33 miles or 598.14 nautical miles.
Departure Atlanta Hartsfield-Jackson ATL Airport
Actual Departure: 05:59
Scheduled Departure: 06:00
Departure Terminal : B Gate None
Arrival Houston George Bush Intercontinental Airport
Actual Arrival: 07:22
Scheduled Arrival: 07:29
Arrival Terminal : N/A Gate None
Flight UA3991 detail information
| Type | Domestic Flight |
| Route | Departure Atlanta (ATL), United States and arriving at Houston (IAH), United States |
| Airlines | United (UA) |
| Aircraft | ERJ |
| Flight Duration | 1 hours 17 minutes |
| Flight Distance | 1107.76 km /688.33 miles |
| Operating Days | Monday, Tuesday, Wednesday, Thursday, Friday, Saturday, Sunday |
Find more flight status
UA3991 Airports
| Departures |
|---|
| Airport: Atlanta Hartsfield-Jackson ATL Airport, United States |
| ICAO Code: ATL |
| ATL Current time: 14:46 05-Feb-2026 |
| Arrivals |
| Airport: Houston George Bush Intercontinental Airport, United States |
| ICAO Code: IAH |
| IAH Current time: 13:46 05-Feb-2026 |