While cannabis is — for the most part — illegal to use or possess on a national level under the Controlled Substances Act, some of the country’s states and territories as well as D.C. have been loosening restrictions, and in very different ways, since 1996. To date, 24 states and D.C. have legalized recreational pot, and 41 states and D.C. have legalized it for medical use. Other states have moved to decriminalize cannabis but not legalize it altogether.
https://www.washingtonpost.com/travel/2026/08/07/5-questions-about-flying-with-marijuana-answered/
