UA 576 then UA 5191 at O'Hare
Minneapolis → Chicago → Lancaster
Timetable, Chicago time
13:15UA 576 from Minneapolis at the gate
08:50UA 5191 to Lancaster leaves the gate
19 h 35 apart on the timetable, overnight
UA 5191 leaves 19 h 35 after UA 576 arrives on the timetable: more than half a day, so not a connection we count.