AA 1663 then DL 1287 at LAX
Miami → Los Angeles → Houston
Timetable, Los Angeles time
12:25AA 1663 from Miami at the gate
18:35DL 1287 to Houston leaves the gate
6 h 10 apart on the timetable
The last days
AA 1663 and DL 1287 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.