“The first U.S. travel order saw the booking velocity fall by 35% overnight. The effect it had was instantaneous,” Tim Clark told journalists in Berlin on the sidelines of the ITB travel fair.
He said the revised order issued this week offered more clarity, and there had been some positive movement in bookings on the Emirates network but not a full recovery.
http://fortune.com/2017/03/09/emirates- ... ravel-ban/
It simply means many people not belonging to those 6/7 nations cancelled their plans to travel to/from US.