Related Clues:

• Where spokes converge
• Relatively easy city to fly into and out of
• Point where many connections are made
• Swimmer surrendering head for heart
• The nave of a wheel
• JFK, for Delta Air Lines
• Likely spot for a layover
• Focal point in Schubert
• Airline's busiest airport
• Center of a propeller
• Airport with many layovers
• Busy center
• Centre identified by married man dropping by
• Wheel centre
• Busy locale