Shares in U.S.-traded airlines fell in premarket trade on Monday following a security alert on Friday when a man with alleged ties to militants smuggled explosives aboard a transatlantic flight and attempted to blow it up.

Shares in American Airlines parent company AMR Corp fell 2.5 percent to $7.94, Delta Air Lines Inc shares lost 2.6 percent to $11.46, US Airways Group Inc shares dropped 2.8 percent to $5.23, while United Airlines parent UAL CORP shares fell 2.2 percent to $12.80.

(Reporting by Edward Krudy; Editing by Chizu Nomiyama)

American Airlines Fall United airlines Security