UA 4397 then OO 6045 at O'Hare
Columbia Metropolitan → Chicago → Grand Rapids
Timetable, Chicago time
11:59UA 4397 from Columbia Metropolitan at the gate
11:45OO 6045 to Grand Rapids leaves the gate
23 h 46 apart on the timetable, overnight
OO 6045 leaves 23 h 46 after UA 4397 arrives on the timetable: more than half a day, so not a connection we count.