Despite JetBlue’s impressive pandemic-era growth plans, it’s not all good news for the carrier’s route map. New York-based JetBlue won’t resume flights to Baltimore/Washington (BWI), Burbank (BUR), Ontario, Calif. (ONT) or San Jose, Calif. (SJC) until June 2021, according to the latest Cirium schedule data and confirmed by the carrier. Over the weekend, JetBlue loaded …