DL 8939 then AA 1559 at Phoenix
San Diego → Phoenix → Tucson
Timetable, Phoenix time
01:41DL 8939 from San Diego at the gate
08:54AA 1559 to Tucson leaves the gate
7 h 13 apart on the timetable
The last days
DL 8939 and AA 1559 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.