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: 15,629
The topic has been discussed, though I don't recall if it's on the CO forum. The only concern is when they do the count before take-off: you have to make sure that the FA's know the seat is taken. IIRC, you may buy a second seat, but you won't get the extra miles for it!