UA 1971 then AA 4353 at O'Hare
San Francisco → Chicago → South Bend
Timetable, Chicago time
05:04UA 1971 from San Francisco at the gate
08:00AA 4353 to South Bend leaves the gate
2 h 56 apart on the timetable
Today
From the airport’s board at 10:59 Chicago time
04:47UA 1971 reached the gate17 min early
07:50AA 4353 left the gate10 min early
3 h 03 between the gates
The last days
UA 1971 and AA 4353 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.