First and Business Class customers who do not hold Emerald or Sapphire tier status are not eligible to access American Airlines or US Airways lounges when travelling on solely domestic flights within the U.S. or between the U.S. and Canada, Mexico [except Mexico City], the Bahamas, Bermuda and the Caribbean; customers travelling in First or Business class on U.S. transcontinental flights between JFK-LAX, JFK-SFO and MIA-LAX (and vice-versa) are eligible for lounge access.