With the federalization of airport security, security procedures at U. S. airports are more stable and consistent than ever before. Generally, you’ll be fine if you arrive at the airport at least two hours before an
international flight; if you show up late, tell an airline employee and she’ll probably whisk you to the front of the line.
Obviously, bring your passport. Be prepared to show it several times — to airline employees asking security questions, to the clerks checking you in, to the TSA officials at the security checkpoint, and sometimes even to the gate attendants.
In 2003, the TSA phased out gate check-in at all U. S. airports. And e-tickets have made paper tickets nearly obsolete...Read More