Add a little extra travel time for this week's road work, and watch for detours.
Passengers are being advised to arrive at least two hours early for check-in.
Business and government leaders say Metro's Silver Line extension could help Dulles rebound.
Travelers may already see a difference as they move through Terminal A. The space is lighter and brighter.
A man has been hospitalized after plunging from a roadway at Reagan National Airport last Tuesday night.
Officials at Dulles and Reagan National airports say wait times have increased as much as 30 minutes at some security checkpoints because of the sequester.
DOT officials said Southwest’s proposal would provide new low-fare service and enhance airline competition in the D.C.-Houston market.
The Metro system and area airports are continuing enhance security measures linked to the bombing at the Boston Marathon.
Congressional leaders in Virginia appeared at Reagan National Airport to warn travelers they could be long delays and canceled flights as a result of sequestration.
A record number of passengers flew through Reagan National Airport in 2012.