AirTran Airways is launching flights from Baltimore to San Juan, Puerto Rico, in December, the carrier announced Monday.

AirTran, which has its major hub in Atlanta and is based in Orlando, said it will begin flying nonstop between Baltimore/Washington International Thurgood Marshall Airport and San Juan Luis Munoz Marin International Airport on weekends starting Dec. 20.

It is also adding a second daily flight from Atlanta to San Juan starting Dec. 18 and from Orlando to San Juan starting Nov. 2.

All the flights will be flown on Boeing 737-700 aircraft.