F9 3990 then DL 694 at Detroit
Dallas-Fort Worth → Detroit → Los Angeles
Timetable, Detroit time
21:43F9 3990 from Dallas-Fort Worth at the gate
20:40DL 694 to Los Angeles leaves the gate
22 h 57 apart on the timetable, overnight
DL 694 leaves 22 h 57 after F9 3990 arrives on the timetable: more than half a day, so not a connection we count.