AA 1948 then UA 1030 at Houston
San Diego → Houston → Atlanta
Timetable, Houston time
23:51AA 1948 from San Diego at the gate
07:25UA 1030 to Atlanta leaves the gate
7 h 34 apart on the timetable, overnight
The last days
AA 1948 and UA 1030 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.