UA 3501 then LF 8534 at O'Hare
Kansas City → Chicago → Charlotte
Timetable, Chicago time
17:05UA 3501 from Kansas City at the gate
12:05LF 8534 to Charlotte leaves the gate
19 h apart on the timetable, overnight
LF 8534 leaves 19 h after UA 3501 arrives on the timetable: more than half a day, so not a connection we count.