ARLINGTON, VA - MAY 27: Airplanes queue up on the taxiway before departing Ronald Reagan National Airport May 27, 2016 in Arlington, VA. According to AAA, "more than 38 million Americans will travel this Memorial Day weekend. That is the second-highest Memorial Day travel volume on record and the most since 2005. Spurred by the lowest gas prices in more than a decade, about 700,000 more people will travel compared to last year." (Photo by Chip Somodevilla/Getty Images)
