"Please remain seated with your seatbelt fastened until the plane has come to a complete stop and the pilot has switched off the fasten seatbelt sign. Thank you for flying NW. Have a pleasant stay in the xxx area. Ding."

But can you use your cell phone from the bathroom if you are trying to get bonus miles? I rarely see that posted in the bathroom, just "No smoking" and that other sign about the which trash goes where, the one I can never decipher.