A nationwide Federal Aviation Administration (FAA) ground stop has left travelers waiting aboard planes, unsure how long they will be stuck before taking off or returning to the gate.

If your flight is delayed on the tarmac, here is what to know about your rights, including access to food, water and an opportunity to get off the plane.

Big picture view: According to the U.S. Department of Transportation (DOT), a tarmac delay occurs when an airplane on the ground is either awaiting takeoff or has just landed and passengers do not have the opportunity to get off the plane.