Credit: Frontier Airlines will add nonstop flights from BWI Marshall Airport to Cleveland with $19 fares.

Frontier adds BWI Marshall to Cleveland lineup (with more $19 fares)

PNC Bank to spend $1B on branches, including in the DC region

South Block lands at Dulles Airport, and three other locations

‘Nah, I’m good’: Anti-Valentine’s Day options abound

Bethesda restaurant week aims to ‘hit all corners of the world’

Government contractor Trident Systems will expand in Fairfax