DL 1566 then DL 5126 at Detroit
Phoenix → Detroit → Grand Rapids
Timetable, Detroit time
05:13DL 1566 from Phoenix at the gate
18:00DL 5126 to Grand Rapids leaves the gate
12 h 47 apart on the timetable
DL 5126 leaves 12 h 47 after DL 1566 arrives on the timetable: more than half a day, so not a connection we count.