AA 2137 then AA 4981 at O'Hare
Austin → Chicago → South Bend
Timetable, Chicago time
09:00AA 2137 from Austin at the gate
19:20AA 4981 to South Bend leaves the gate
10 h 20 apart on the timetable
The last days
AA 2137 and AA 4981 weren’t both flown 15 min to 12 h apart in the last 21 days.
Statistics from past flights, not live flight information. Always check times and your connection with your airline, and don’t base travel or booking decisions on these numbers.