I own a Samsonite Hyperspace "Carry-on" Spinner bag the dimensions are listed as: 21.5" x 14.75" x 8", I am flying an American Airline international flight and want to take this bag as a "Carry-on". Does anyone use this bag and will it pass on American as a Carry-on? I am worried it is too big. The American site says: The maximum dimensions cannot exceed any of the following measurements: 22" long x 14" wide x 9" tall. So it looks like it is, in fact too big even thought they sell it as Carry-on size, but I really don't want to have to invest in another bag!! Any first hand experience appreciated. Thanks.