OO 6058 then AA 3544 at O'Hare
Sioux City → Chicago → Detroit
Timetable, Chicago time
09:24OO 6058 from Sioux City at the gate
13:30AA 3544 to Detroit leaves the gate
4 h 06 apart on the timetable
Today
From the airport’s board at 18:55 Chicago time
09:46OO 6058 reached the gate22 min late
14:05AA 3544 left the gate35 min late
4 h 19 between the gates
The last days
OO 6058 and AA 3544 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.