AC 4510 then UA 3853 at San Francisco
Salt Lake City → San Francisco → Houston
Timetable, San Francisco time
10:31AC 4510 from Salt Lake City at the gatealso UA 5970, CA 7406, VA 8449
16:15UA 3853 to Houston leaves the gate
5 h 44 apart on the timetable
The last days
AC 4510 and UA 3853 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.