In light of expected reduced travel, due to CoronaVirus concerns, JetBlue will temporarily waive change and cancel fees on newly-booked travel, per the following:
https://www.marketwatch.com/story/j...n-all-flights-on-covid-19-concerns-2020-02-26
https://www.marketwatch.com/story/j...n-all-flights-on-covid-19-concerns-2020-02-26