The Potomac plane crash has had a cascading effect that will send ripples through the airline industry for days, if not longer. Here is everything to know.

Last year, senators from Virginia and Maryland sounded the alarm over congestion in the skies above Washington.

Latest news and live updates after an American Airline jet collided with a Black Hawk helicopter over the Potomac River.

""DCA is one of the most demanding airports in the world. It also has what’s known as ‘helicopter alley’ with hundreds of ...