AA 3358 then AA 608 at O'Hare
Sioux Falls → Chicago → New York LaGuardia
Timetable, Chicago time
14:11AA 3358 from Sioux Falls at the gate
17:58AA 608 to New York LaGuardia leaves the gate
3 h 47 apart on the timetable
The last days
AA 3358 and AA 608 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.