Passengers on a recent flight from Phoenix to San Francisco witnessed an unusual mid air standoff after a flight attendant confronted a passenger accused of vaping in the aircraft bathroom. The traveler, later vaping on the flight : r unitedairlines When traveling with your vape or e cig on a plane, do it safely: vapes should be turned off and carried on, never checked. Do not use or charge it on the aircraft. Traveling with Your Vape A Guide to Airports Airlines and Destinations Vape Zone & Smokers Accessories Can you take Disposable Vapes on an Airplane?