Originally Posted by
MSPeconomist
If someone were determined to do this, the person could just buy two domestic tickets under different names departing from the same USA airport. It doesn't matter whether they're to the same destination and/or use different carriers. It's extremely rare (but possible for TSA to swoop in and do this) for IDs to be checked upon boarding domestic flights in the USA.
Thats true, it doesnt even have to be connected travel how I had outlined it in my example. Could just have 2 tickets from LA and clear security with your real name but then fly a flight under any other name. With all the security post 9-11 just interesting to me how easy it is to fly under a different name, again one would have to go through TSA under their real name so I guess thats all that matters.