UA 5192 then DL 5035 at O'Hare
Jacksonville → Chicago → New York JFK
Timetable, Chicago time
17:30UA 5192 from Jacksonville at the gate
13:35DL 5035 to New York JFK leaves the gate
20 h 05 apart on the timetable, overnight
DL 5035 leaves 20 h 05 after UA 5192 arrives on the timetable: more than half a day, so not a connection we count.