F9 3990 then DL 1365 at Detroit
Dallas-Fort Worth → Detroit → San Antonio
Timetable, Detroit time
21:43F9 3990 from Dallas-Fort Worth at the gate
20:30DL 1365 to San Antonio leaves the gate
22 h 47 apart on the timetable, overnight
DL 1365 leaves 22 h 47 after F9 3990 arrives on the timetable: more than half a day, so not a connection we count.