Originally Posted by
flyerCO
1)Fare class doesn't matter. Read the fare rules.
2)TSA won't have a clue. The BP scanner isn't connected to the airline systems. It just reads the barcode and verifies it has the correct signature.
I agree they would have no clue about the other flight. But the scan will show pax name, flight and such. Everything that is on the BP barcode (or QR code) in a standard format.
I assume that they track these. Not because it really matters, just because that is governments think.