AA 660 then DL 4880 at Detroit
Dallas-Fort Worth → Detroit → Grand Rapids
Timetable, Detroit time
18:34AA 660 from Dallas-Fort Worth at the gate
18:00DL 4880 to Grand Rapids leaves the gate
23 h 26 apart on the timetable, overnight
DL 4880 leaves 23 h 26 after AA 660 arrives on the timetable: more than half a day, so not a connection we count.