Illustration by Gene KimAs weed becomes legal in more states, how and if travelers can bring their stash on board remains up in the air. Traveling between states where marijuana is legal in both the origin and destination may sound straight-forward, but with overlapping jurisdictions and hard-to-enforce guidelines, it gets complicated. Under federal law, the possession and sale of marijuana is illegal. Despite President Joe Biden's recent pardons for anyone convicted of a federal crime for simple possession and his directive to review how marijuana is scheduled under federal law, marijuana is still classified as a Schedule I substance. And even though airports are locally owned and operated, air travel still falls under federal law.

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