AA 2397 then AA 556 at Phoenix
Ontario → Phoenix → Dallas-Fort Worth
Timetable, Phoenix time
18:50AA 2397 from Ontario at the gate
19:26AA 556 to Dallas-Fort Worth leaves the gate
36 min apart on the timetable
The last days
AA 2397 and AA 556 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.