Join Date: Apr 2006
Location: Los Angeles, California
Programs: United LT-GS, AA LT-Plat, Hyatt LT-Globalist, Hilton LT-Diamond, Marriott LT-Titanium, Hertz PC
Posts: 15,840
I suspect that you wouldn't get the "T" portion back. I know I ran into a similar situation where I upgraded to a Y fare.