AA 2114 then WN 1734 at Phoenix
San Diego → Phoenix → Ontario
Timetable, Phoenix time
15:13AA 2114 from San Diego at the gate
20:10WN 1734 to Ontario leaves the gate
4 h 57 apart on the timetable
The last days
AA 2114 and WN 1734 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.