AA 3890 then AA 1632 at O'Hare
Sioux Falls → Chicago → Tucson
Timetable, Chicago time
16:40AA 3890 from Sioux Falls at the gate
20:56AA 1632 to Tucson leaves the gate
4 h 16 apart on the timetable
The last days
AA 3890 and AA 1632 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.
Later flights to Tucson
No later flight to Tucson on the timetable.