Cho Hyun-ah, the daughter of Korean Air's chairman and CEO, has apologized and resigned from a position at the airline after a backlash over her kicking a steward off a recent flight. Cho was angered by the presentation of macadamia nuts. Chung Sung-Jun/Getty Images hide caption

itoggle caption Chung Sung-Jun/Getty Images

A plane takes off over a departure board at Hartsfield-Jackson Airport in Atlanta last November. Airlines say they expect an uptick in Thanksgiving travel this year. David Goldman/AP hide caption

itoggle caption David Goldman/AP

The good old days: A flight attendant serves coffee and sandwiches to a passenger on board an American Airlines flight, circa 1935. Frederic Lewis/Archive Photos/Getty Images hide caption

itoggle caption Frederic Lewis/Archive Photos/Getty Images

Malaysia Airlines had been struggling even before two of its flights were lost this year. Analysts say the national carrier faces either bankruptcy or privatization. Mohd Rasfan/AFP/Getty Images hide caption

itoggle caption Mohd Rasfan/AFP/Getty Images

The Air Force's U-2 spy plane first took flight in August 1955. One of the planes confused air traffic control computers in California last week, creating havoc. USAF/Getty Images hide caption

itoggle caption USAF/Getty Images

The charred tail section of Delta Flight 191 sits near a runway at Dallas-Fort Worth International Airport in August 1985 after it crashed on approach. Delta quickly retired the "191" designation. Carlos Osorio/AP hide caption

itoggle caption Carlos Osorio/AP

Passengers wait in line at Hartsfield-Jackson International Airport on Thursday. A major snowstorm has delayed flights from Atlanta to New York. David Tulis/AP hide caption

itoggle caption David Tulis/AP