It's not just about record-breaking crowds with the typical flight delays and cancellations, but certain passengers managing to hitch a ride aboard an airliner without a ticket

Plenty of questions still remain two days after authorities discovered a dead body in the wheel well of a United Airlines aircraft in Hawaii.

Hawaii authorities are investigating a dead body found in the wheel well of a United Airlines plane that flew from Chicago to Maui on Christmas Eve. Newsweek contacted Boeing, and the Maui Police Department for further comment via email outside of normal office hours.