Just at U.S. airline stocks experienced a surge on positive vaccine news, the carriers themselves lined up to warn that bookings were softening due to a spike in COVID-19 cases.

From February the carrier will launch 14 daily flights from MIA.

JetBlue Airways’ decision to launch service from Miami International airport caps off a raft of network changes the company has undertaken during the COVID-19 pandemic to respond to what it deems as “changing customer demand.”