AA 377 then AA 1991 at O'Hare
Raleigh-Durham → Chicago → Salt Lake City
Timetable, Chicago time
07:37AA 377 from Raleigh-Durham at the gate
08:15AA 1991 to Salt Lake City leaves the gate
38 min apart on the timetable
The last days
AA 377 and AA 1991 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.