AA 4974 then AA 3498 at O'Hare
South Bend → Chicago → Tulsa
Timetable, Chicago time
07:21AA 4974 from South Bend at the gate
08:10AA 3498 to Tulsa leaves the gate
49 min apart on the timetable
The last days
AA 4974 and AA 3498 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.