The Original Frontier in their then new colour scheme. The Frontier of today is a different animal ! Delivered new to Frontier as N7391F on 12 May 1978. To United Airlines as N977UA in Oct 1985. WFU and stored at Victorville on 13 Nov 2001. To Sky King on 16 Oct 2003. Noted WFU on 01Oct 2015. Cancelled as PWFU at MHV on 27 Oct 2017. The aircraft has been scrapped.