But ID checking is also done electronically at some checkpoints. If your ticket doesn't match your passport, your Visa, your Visa waiver, etc. you are going to

But ID checking is also done electronically at some checkpoints. If your ticket doesn't match your passport, your Visa, your Visa waiver, etc. you are going to be in trouble. That being said last time I went to the US the person booking the ticket swapped my first name and last name. Only the person at the baggage dropoff noticed it, and after much deliberation they suggested to leave it that way. I went through with no issues apart from not being able to register the mileage.