AA 643 then AA 3794 at O'Hare
Los Angeles → Chicago → Dallas-Fort Worth
Timetable, Chicago time
18:00AA 643 from Los Angeles at the gate
19:10AA 3794 to Dallas-Fort Worth leaves the gate
1 h 10 apart on the timetable
The last days
AA 643 and AA 3794 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.