AA 640 then WN 719 at Denver
Charlotte → Denver → Los Angeles
Timetable, Denver time
13:27AA 640 from Charlotte at the gate
17:55WN 719 to Los Angeles leaves the gate
4 h 28 apart on the timetable
The last days
AA 640 and WN 719 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.