GateConnections

UA 5756 then DL 3964 at Detroit

Chicago O'Hare → Detroit → Grand Rapids

Timetable, Detroit time

13:28UA 5756 from Chicago O'Hare at the gate

09:00DL 3964 to Grand Rapids leaves the gate

19 h 32 apart on the timetable, overnight

DL 3964 leaves 19 h 32 after UA 5756 arrives on the timetable: more than half a day, so not a connection we count.