UA 3377 then AA 126 at O'Hare
Columbus (Ohio) → Chicago → Madrid
Timetable, Chicago time
12:30UA 3377 from Columbus (Ohio) at the gate
18:05AA 126 to Madrid leaves the gate
5 h 35 apart on the timetable
The last days
UA 3377 and AA 126 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 Madrid
No later flight to Madrid on the timetable.