Callsign EXS is Jet2
WHAT AIRLINE IS EXS?
EXS is the ICAO three-letter callsign prefix for Jet2. When a radio scanner, flight tracker or radar scope shows a flight like EXS123 or EXS45XY overhead, that's a Jet2 aircraft talking to air traffic control.
Spot one yourself: open the live scope, enter your postcode, and tap any blip whose callsign starts with EXS for its type, registration, route and photo.