UA 4179 then AV 263 at O'Hare
Roanoke → Chicago → Bogota
Timetable, Chicago time
07:44UA 4179 from Roanoke at the gate
22:30AV 263 to Bogota leaves the gate
14 h 46 apart on the timetable
AV 263 leaves 14 h 46 after UA 4179 arrives on the timetable: more than half a day, so not a connection we count.