UA 5197 then AA 3564 at O'Hare
Albany (New York) → Chicago → Roanoke
Timetable, Chicago time
15:45UA 5197 from Albany (New York) at the gate
13:29AA 3564 to Roanoke leaves the gate
21 h 44 apart on the timetable, overnight
AA 3564 leaves 21 h 44 after UA 5197 arrives on the timetable: more than half a day, so not a connection we count.