By Mark Robertson Apr 5, 2021 WHEELS UP is my podcast going behind the stories from the airline industry with the help of Jay Ratliff, iHeartRadio's airline expert. In this latest installment we start with the possible return of supersonic transport by the end of the decase: an airline hopes to make a flight reaching speeds of Mach-4 Plus giving up to 50 passengers the chance from New York to London in under an hour! What happened on Spirit Airlines when someone tried to open the emergency door mid-flight? Airlines were refusing to sell the middle seat to promote social distancing, but that apparently is going away.