UA 5191 then AA 9912 at O'Hare
South Bend → Chicago → Richmond
Timetable, Chicago time
07:25UA 5191 from South Bend at the gate
07:30AA 9912 to Richmond leaves the gate
5 min apart on the timetable
The last days
UA 5191 and AA 9912 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.