Don't let an airport's size sneak up on you. Here are the airports that will take you the longest to walk across in the U.S.

D-FW International Airport may be as big as the city of Manhattan, but that didn’t cut it in the The Washington Post’s ranking of the 50 best airports in America.

American Airlines is rolling out its luxurious new Flagship Suites planes on more international routes, giving fliers from ...