AA 4504 then UA 2389 at O'Hare
South Bend → Chicago → Albuquerque
Timetable, Chicago time
18:35AA 4504 from South Bend at the gate
09:19UA 2389 to Albuquerque leaves the gate
14 h 44 apart on the timetable, overnight
UA 2389 leaves 14 h 44 after AA 4504 arrives on the timetable: more than half a day, so not a connection we count.