DL 407 then DL 5126 at Detroit
Los Angeles → Detroit → Grand Rapids
Timetable, Detroit time
05:19DL 407 from Los Angeles at the gate
18:00DL 5126 to Grand Rapids leaves the gate
12 h 41 apart on the timetable
DL 5126 leaves 12 h 41 after DL 407 arrives on the timetable: more than half a day, so not a connection we count.