AA 4974 then UA 8137 at O'Hare
South Bend → Chicago → Los Angeles
Timetable, Chicago time
07:21AA 4974 from South Bend at the gate
13:50UA 8137 to Los Angeles leaves the gate
6 h 29 apart on the timetable
The last days
AA 4974 and UA 8137 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.