Delivered to Universair 21 March 1988 to become the first of three aircraft of this spanish airline. Later registered EC-EID and with the same registration went to Air Europa in May 1992. Only six months later was bought by Southwest who operated it for almost 24 years (Last revenue flight 31 March 2016).

Originally intended for Texas Air/Continental Airlines as N76360 but Not Taken Up. To Universair Mar 88. Re-reg EC-EID 29 Apr 88. To Air Europa Jul 92. To Southwest Airlines Nov 92 as N684WN. Retired Mar 2016.