Callsign RCH is US Air Mobility Command
WHAT AIRLINE IS RCH?
RCH is the ICAO three-letter callsign prefix for US Air Mobility Command. When a radio scanner, flight tracker or radar scope shows a flight like RCH123 or RCH45XY overhead, that's a US Air Mobility Command aircraft talking to air traffic control.
Spot one yourself: open the live scope, enter your postcode, and tap any blip whose callsign starts with RCH for its type, registration, route and photo.