An American Airlines plane and an Army helicopter collided Wednesday night near Ronald Reagan Washington National Airport.

WASHINGTON — Ronald Reagan Washington National Airport (DCA) has canceled most flights and delayed some after a plane crashed midair into a helicopter as it was preparing to land.

American and Delta both offer nonstop flights between Reagan Washington National and Raleigh-Durham International Airport.

Search efforts continue after an American Airlines plane from Wichita, with 64 people on board, collided with an Army helicopter near Washington, D.C., and crashed into the Potomac River.

All American Airlines flights to and from the Portland Jetport and Reagan National Airport are canceled Thursday after a mid-air collision between a passenger jet and a military helicopter happened late Wednesday night in Washington,

A regional jet collided with an Army Black Hawk helicopter near Ronald Reagan Washington National Airport on Wednesday evening, U.S. officials confirmed to ABC News.

Washington is a frequent destination for Knoxville airport travelers, and American Airlines is its busiest airline.

A regional jet approach ing Reagan National Airport collided with a military helicopter over the Potomac River late Wednesday night, prompting a massive search and rescue operation.

A massive search operation is underway after a passenger aircraft carrying 64 people collided midair with a US Army Black Hawk helicopter near Reagan National Airport outside of Washington, DC, according to aviation and defense officials.

According to the FAA, an Army Black Hawk helicopter collided into a 60-passenger flight landing at DCA midair.

Four passengers and two crew members were seriously injured Friday when a Washington D.C.-bound United Airlines flight from Nigeria abruptly plunged mid-air, according to dramatic footage and

An American Airlines jet with 60 passengers and four crew members aboard collided Wednesday with an Army helicopter while landing at Ronald Reagan National Airport near Washington, prompting a large search-and-rescue operation in the nearby Potomac River.