AA 9919 then UA 5959 at Phoenix
Tucson → Phoenix → Lagos
Timetable, Phoenix time
12:15AA 9919 from Tucson at the gate
16:08UA 5959 to Lagos leaves the gate
3 h 53 apart on the timetable
The last days
AA 9919 and UA 5959 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.