AA 3449 then UA 5191 at O'Hare
Fargo → Chicago → Lancaster
Timetable, Chicago time
15:04AA 3449 from Fargo at the gate
08:50UA 5191 to Lancaster leaves the gate
17 h 46 apart on the timetable, overnight
UA 5191 leaves 17 h 46 after AA 3449 arrives on the timetable: more than half a day, so not a connection we count.