Related Clues:

• Time-saving means of travel
• 747 alternative
• J.F.K. regular
• Sight at Dulles
• A fast one
• Its business is booming
• See 37-Across
• J.F.K. sight
• It'll get you there P.D.Q.
• J.F.K. lander
• Fast way to J.F.K.
• Rapid transit?
• European streaker
• L-1011 alternative
• Rapid transit