Online sales for the week ended September 11 reached $1.47 billion, increasing 30 percent from the $1.12 billion for the corresponding week a year ago, reports Internet Retailer, citing comScore figures. Online travel sales for the week reached $1.22 billion, up 14 percent from $1.08 billion. Total retail sales for the week ended September 10 were up 4.9 percent from the same week a year ago - the 35th week of growth out of 36 weeks so far this year - according to ShopperTrak.