BA 7546 then UA 3912 at San Francisco
Las Vegas → San Francisco → Houston
Timetable, San Francisco time
17:41BA 7546 from Las Vegas at the gate
23:00UA 3912 to Houston leaves the gate
5 h 19 apart on the timetable
The last days
BA 7546 and UA 3912 weren’t both flown 15 min to 12 h apart in the last 21 days.
Statistics from past flights, not live flight information. Always check times and your connection with your airline, and don’t base travel or booking decisions on these numbers.