DL 1634 then AA 3527 at O'Hare
Los Angeles → Chicago → Mosinee
Timetable, Chicago time
23:55DL 1634 from Los Angeles at the gate
23:00AA 3527 to Mosinee leaves the gate
23 h 05 apart on the timetable, overnight
AA 3527 leaves 23 h 05 after DL 1634 arrives on the timetable: more than half a day, so not a connection we count.