Arthur Berkowitz, 57, stood for the length of his US Airways flight in July after a fellow passenger occupied half of his seat. The non-stop flight from Anchorage to Philadelphia lasted seven hours.

He initially had an empty seat next to him on Flight 901, but a late passenger sat there and took more space than he paid for.

“His size required both armrests to be raised up and allowed for his body to cover half of my seat,” Berkowitz said.

http://www.cnn.com/2011/11/25/travel/passenger-of-size/index.html?hpt=hp_t3