Callsign JBU is JetBlue
WHAT AIRLINE IS JBU?
JBU is the ICAO three-letter callsign prefix for JetBlue. When a radio scanner, flight tracker or radar scope shows a flight like JBU123 or JBU45XY overhead, that's a JetBlue aircraft talking to air traffic control.
Spot one yourself: open the live scope, enter your postcode, and tap any blip whose callsign starts with JBU for its type, registration, route and photo.