The service to Washington was later cancelled and was replaced with service to Charlotte .
A few years later , Piedmont opened a new hub in Charlotte , North Carolina which rapidly grew to become larger than its hub in Washington D.C.
The service to Washington D.C. was later cancelled and was replaced with service to Charlotte .
A few years later , Piedmont opened a new hub in Charlotte , North Carolina which rapidly grew to become larger than its hub in Washington D.C.