 The biggest impact on the airlines. Thousands of passengers were delayed or stranded. Reporter Alexis Davila in Baltimore. Here at BWI Airport, we have travelers who are literally packing along the staircases here, and this crowd is growing minute by minute. We even have people who are crowding in the hallways, using their luggage as bedding, as so many have been stranded here, not just for hours. We're talking some who have been here overnight.