Originally Posted by
djjohn97
Lounge access is not provided on JFK - LAS only JFK - LAX/SFO.
Access actually is allowed for JFK-LAS. Per the DL website:
Customers traveling on a nonstop Delta First Class, BusinessElite, or full Y-class ticket between JFK and Denver, Las Vegas, Los Angeles, Portland, Phoenix, San Diego, Seattle, and San Francisco.