of the airplane to handle a problem passenger. >> reporter: after nearly 6,000 reports last year, this year, nearly 400, two-thirds related to on board mask mandates. late today, the texas attorney general sued the biden administration to overturn the mask mandate in airports and on planes, but for the past year, the faa has come down hard on bad behavior, rolling out a national public information campaign. >> these events need to stop and we are working very hard to do that. >> reporter: delta airlines and the nation's biggest flight attendants union called for a single no fly list to ban people traveling any u.s. airline if convicted of on board disruption. >> i have to be really clear, this is not something we can accept as a new normal. >> reporter: a group of republican senators, while condemning bad behavior, opposes that no fly list, it would seemingly equate those passengers to terrorists. delta wants to assure individuals that endangered safety and security of our