UA 5192 then DL 967 at O'Hare
Jacksonville → Chicago → Los Angeles
Timetable, Chicago time
15:30UA 5192 from Jacksonville at the gate
14:45DL 967 to Los Angeles leaves the gate
23 h 15 apart on the timetable, overnight
DL 967 leaves 23 h 15 after UA 5192 arrives on the timetable: more than half a day, so not a connection we count.