UA 4179 then OO 526 at O'Hare
Columbia Regional → Chicago → Fort Wayne
Timetable, Chicago time
16:47UA 4179 from Columbia Regional at the gate
13:55OO 526 to Fort Wayne leaves the gate
21 h 08 apart on the timetable, overnight
OO 526 leaves 21 h 08 after UA 4179 arrives on the timetable: more than half a day, so not a connection we count.