AA 3239 then UA 4648 at LAX
Miami → Los Angeles → Phoenix
Timetable, Los Angeles time
12:52AA 3239 from Miami at the gate
16:20UA 4648 to Phoenix leaves the gate
3 h 28 apart on the timetable
The last days
AA 3239 and UA 4648 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.