Chief of Transit Jason Wilcox said there were no officers present in the booth area of the subway station before the deadly rush-hour shooting.
Flights are finally taking off and landing at LaGuardia Airport, but people trying to get to or from the airport were finding themselves in massive gridlock Monday night.
The victim was struck at Queens Boulevard and Jamaica Avenue just before 7 a.m.
The airline said its T5 Rooftop is the only post-security outdoor space accessible to all customers at a New York airport.
Police are looking for two men responsible for at least three commercial robberies at gunpoint this year in Queens.
JetBlue experienced a system-wide outage of its computer system early Monday morning, causing delays at major airports, including Kennedy Airport's Terminal 5.