Join Date: Jan 2008
Location: Rio de Janeiro, Miami, Nice
Programs: Marriott Titanium, AA Concierge Key, Delta, United, Emorates, and others
Posts: 4,694
THey are permitted onboard for sure but some carriers (Delta twice with me) refuse to accept them in checked baggage. It's a risk to do that anyway. Take it onboard and it always works. I've never even removed mine from my carryon.