The last few trips we have made to the DFW airport the remote parking lot on the north end is marked as "full". When that occurs the gate will not open and you are not permitted entrance. This may be happening due to summer travel. Other parking options at DFW are expensive, especially if you are going on an extended cruise. I post this as travelers may want to call the airport first or try alternative parking. With a closed parking lot you could miss your flight thus miss your cruise. Just a heads up!