This aircraft was built with serial number 27955 and made its first flight on 04/12/1995. Thirteen days later it was delivered to Southwest Airlines with registration N604SW and cabin layout Y137. In 2008, it was equipped with a winglet, and in 2013, its cabin layout was changed to Y143, and finally, after 22 years of flying for this American company, from 09/29/2017 to 08/02/2019 at Victorville-Southern California Logistics Airport and From that date until 08/31/2022, it was parked at Varna Airport (Bulgaria) while transferring ownership to Rostrum Leasing Company. From 08/31/2022 to 10/09/2023, it entered the flight fleet of the Bulgarian company Electra Airways with the register LZ-EBB and then parked again at Varna Airport.

With the beginning of efforts to enter this plane to Iran, it was taken over by the well-known Tajik company Asian Express Airline and entered Mehr Ayad Airport on 02/09/2024 with the register EY-312. While receiving the EP-LEE register, the plane will soon be leased to Air One. The layout of the cabin of this plane is still Y148

credit goes to @Decembermin's Boeing 737-301 Varesh Airlines (New Livery)
@XAircraftmanufacturer
@GalacticaAsia for Winglets