AA 3474 then AA 6250 at O'Hare
Mosinee → Chicago → Pittsburgh
Timetable, Chicago time
08:00AA 3474 from Mosinee at the gate
09:46AA 6250 to Pittsburgh leaves the gate
1 h 46 apart on the timetable
The last days
AA 3474 and AA 6250 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.