Callsign LAN is LATAM
WHAT AIRLINE IS LAN?
LAN is the ICAO three-letter callsign prefix for LATAM. When a radio scanner, flight tracker or radar scope shows a flight like LAN123 or LAN45XY overhead, that's a LATAM aircraft talking to air traffic control.
Spot one yourself: open the live scope, enter your postcode, and tap any blip whose callsign starts with LAN for its type, registration, route and photo.