Born & raised Masshole here.
Four cop buddies and I flew from Boston-Austin and back for training a few weeks ago. Boston was an absolute breeze, declaring my pistol took all of about thirty seconds.
Austin was a different story. The TSA blue shirt we dealt with at check-in was by far the least professional I have ever encountered. He was making comments about our luggage, including paying one officer "special attention" (his words, not ours) as his suitcase was heavier than the rest, then seeing that one suitcase had ammunition that wasn't in a "factory case" - it was in one of those plastic boxes reloaders use that hold each round in its own little square, 100% in accordance with federal regulations - he made a show of pulling apart that suitcase, snapping at us "not to go nowhere until I tell you so" (we were 8 feet away, taking amongst ourselves), more comments while x-raying the rest of the luggage, etc.
My only thought was the Stetson I was sporting must have pissed him off...
Again, never had an issue in and out of BOS. I know it's largely up to the individual but I was just surprised that I would be hassled in Texas, of all places.