Originally Posted by
PlateMan
You answer your own question.
Not really. Flying into one Southern CA airport and out another is a logistical nightmare, unless your trip is planned that way intentionally. If US schedules the last LAX-PHX flight for 5PM, I doubt that it is with the intention that their customers will simply take the BUR or LGB flight instead.
My guess is that the revenue on the later flights didn't justify the cost of operating them. Consequently, anybody who must fly to PHX later than 5PM will simply book one of US's competitors.