AA 3637 then DL 735 at DFW
Lubbock → Dallas-Fort Worth → Detroit
Timetable, Dallas-Fort Worth time
14:03AA 3637 from Lubbock at the gate
13:52DL 735 to Detroit leaves the gate
23 h 49 apart on the timetable, overnight
DL 735 leaves 23 h 49 after AA 3637 arrives on the timetable: more than half a day, so not a connection we count.