F9 45 then UA 4645 at O'Hare
Cancún → Chicago → Fort Wayne
Timetable, Chicago time
14:45F9 45 from Cancún at the gate
11:25UA 4645 to Fort Wayne leaves the gate
20 h 40 apart on the timetable, overnight
UA 4645 leaves 20 h 40 after F9 45 arrives on the timetable: more than half a day, so not a connection we count.