- HUB
- Busy airport
- Axle end
- Atlanta, to Delta
- Focal point
- Central computer
- Ethernet ___
- USB ___ (multiple slot computer device)
- Boston
- Boston nickname
- Where radii meet
- Boston sobriquet
- Center
- Axle attachment
- Boston moniker
- Civic centre
- ___ City (Nanaimo's nickname)
- Airline's main airport
- Flight-connection site
- Where spokes meet
- Central air spot
- What everything comes from?
- What the Boston Bruins logo represents
- Site for many a layover
- Many fly to one
- Center of operations, to an airline
- Spokes' center
- Atlanta, for Delta Airlines
- Center of activity
- Boston, with "the"
- Wheel's center
- O'Hare, for one
- Major airport
- Core
- Destination for a Trivial Pursuit winner
- Nexus
- Where planes are often changed
- Airline locale
- Nerve center
- Boston's nickname
- Center^HU
- Wheel part
- Focus of activity
- O'Hare, for United Airlines
- Air base?
- LAX or JFK, for American Airlines
- US Airways has one in Phoenix
- Where the action is
- Connecting flight site
- Where some routes meet
- Airport with many connecting flights
- Wheel center
- Center of a wheel
- Busy center
- Bub or cap opener
- Wheel's central part
- Activity center
- Propeller center
- Transportation center
- Epicenter
- Important airport
- Layover city, often
- Nickname for Boston, with "the"
- ___-and-spoke
- Nave.
- Wheel's nave.
- Central part of a wheel.
- Nickname for Boston.
- Center of interest.
- Boston, U.S. (with "the")
- Center of interest, activity, etc.
- Where the cap goes.
- Part of a wheel.
- Central area
- Name for Boston
- The ___ (Boston)
- Boston, for O. W. Holmes
- Boston Statehouse, to O. W. Holmes
- Center piece
- Focus
- Pivot
- Spokes' intersection
- Boston's nickname, with "the"
- Meeting place
- Turning point
- Airline's home base
- Atlanta, for Delta
- Indirect flight stop-off
- Big airport
- Center of a Trivial Pursuit board
- Many a layover locale
- O'Hare or Newark Liberty
- Trivial Pursuit board location
- LAX or ORD, to United
- Nucleus
- Airline's base of operations
- Relatively easy city to fly into and out of
- Likely spot for a layover
- Where many connections are made
- Pivotal part of a revolution
- Place with many airline connections
- Central airport
- Networking device
- That '70s Show diner, with "The"
- LAS or LAX, e.g.
- Center of a busy metropolis
- Activity center, to an airline
- Atlanta, to Delta Airlines
- Where spokes intersect
- Spoke connector
- Place to make a connection?
- Chicago or Atlanta, e.g.
- Airline home base
- Central point
- De Gaulle, to Air France
- Where spokes converge
- Airport with many layovers
- Airport like Atlanta's
- Network connector
- Connection point between legs
- Network fixture
- Ethernet connection
- It may wear a cap
- Network connection
- Point where many connections are made
- O'Hare, e.g.
- Layover spot
- Bustling center
