Pull quote: Always remember to double-check the rules and regulations of the state you are flying out of and into. There’s nothing worse than discovering that you were completely legal in Florida and are now subject to felonious arrest in NYC upon landing.
With rules and regulations changing frequently regarding traveling with firearms, who better to talk to than a Transportation Security Administration (TSA) agent, the source of enforcement?
4WWL in New Orleans spoke with agents at Armstrong International Airport in New Orleans, Louisiana. Agents say that 15 people have had firearms taken from them this year alone. In most of these cases, confiscation could be avoided, as could the forced extra time with a TSA agent.
First off, guns need to be completely unloaded and stored in a locked, hard-sided case inside your checked luggage. These cases need to be declared when you check-in. The person responsible for the firearm should retain the key to the lock and not give it to anyone for any reason.
More here from the TSA: https://www.tsa.gov/travel/transporting-firearms-and-ammunition