Built in 1967 for United Airlines as N7428U, to Allegheny Airlines in 1978 as N753AL and with US Air following Allegheny's re-branding. To Alaska Airlines as N753AS in 1982 and flown in this non standard colour scheme, operating for ARCO Oil. Later flown by Omni Air Express, Ting Tai International and finally Custom Air Transport on behalf of Charter America. Withdrawn by 2004 and broken up at Chino CA. The nose section survived in 2016 at the 'Aviation Warehouse' a movie props business at El Mirage CA.

Originally delivered to United Airlines in 1967. Last operator was Custom Air Service, who operated it in Charter America c/s. The airplane was broken up at Chino (CA) but the forward fuselage was later reported at the Aviation Wharehouse 'El Mirage' in Adelanto (CA).

With airline deregulation in 1978, Allegheny Airlines began expanding with new DC-9s and used 727s. This one was obtained from United Airlines in August 1978. As they expanded outside their local area, the airline changed their name to US Air in 1979. N753AL was sold to Alaska Airlines July 26, 1982 and re-registered N753AS. Operated by the airline for ARCO oil support until used for a short time for their own freight operation. Sold in 1994, the airplane was finally scrapped after 2003 with the forward fuselage stored at El Mirage, CA with Aviation Warehouse and available for film work.