Wirelessly posted (BlackBerry: BlackBerry8530/5.0.0.601 Profile/MIDP-2.1 Configuration/CLDC-1.1 VendorID/417)
If this is a domestic award, the only exception to the four-hour rule occurs when one flies the last flight on one day from the origin to the connecting city, and the first flight of the next day from the connecting point to the destination.