400 series  767, lacks a middle door. When Kevin enters the plane, it is clearly  a Boeing 757, evidenced by its single aisle and the door between  first class and coach through which he entered, which even then  magically becomes an Airbus A300 Cabin with the different overhead  bin designs that did not exist on Boeing Aircraft at the time.  American has also never flown 767s or A300s between Chicago and  LaGuardia.