AA 4121 then AA 1976 at O'Hare
Green Bay → Chicago → Puerto Vallarta
Timetable, Chicago time
07:27AA 4121 from Green Bay at the gate
10:41AA 1976 to Puerto Vallarta leaves the gate
3 h 14 apart on the timetable
The last days
AA 4121 and AA 1976 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 Puerto Vallarta
No later flight to Puerto Vallarta on the timetable.