"Right now the system is not working as effectively as it needs to be, " said Geoff Freeman, a representative of the U.S. Travel Association.

CNN: 150 more full-body scanners to go in U.S. airports

"When you're greeted with something that's less than welcoming, that first taste in your mouth is quite disconcerting, " said Geoff Freeman, chief operating officer of the U.S. Travel Association, the industry trade group that conducted the survey in partnership with Consensus Research.

CNN: Survey: U.S. Customs is driving visitors away