AA 1948 then AA 3598 at Houston
San Diego → Houston → Dallas-Fort Worth
Timetable, Houston time
23:51AA 1948 from San Diego at the gate
09:02AA 3598 to Dallas-Fort Worth leaves the gate
9 h 11 apart on the timetable, overnight
The last days
AA 1948 and AA 3598 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.