Originally Posted by
booatx
The person who actually traveled would have had to show ID. That person would have undoubtedly had some connection to whoever booked the flight.
Wrong.
To board, you just board showing your boarding pass. You do NOT show your ID. Or even a fake ID.
To get through the TSA checkpoint you need a boarding pass for a flight leaving that airport that day. It can be any airline. They could have bought a refundable ticket for any other airline.
or
They could have gotten to that airport via a flight from another airport.
Lots of ways to deal with this stuff.
FAKE ID
FAKE FLIGHTS
AIRPORT EMPLOYEE