Last year, travelers left $674,841.06 in change rushing through airport security, according to Transportation Security Administration calculations. In 2013, plane passengers left $638,142.64.
"TSA makes every effort to reunite passengers with items left at the checkpoint, however there are instances where loose change or other items are left behind and unclaimed. Unclaimed money, typically consisting of loose coins passengers remove from their pockets, is documented and turned into the TSA financial office," TSA spokesman Ross Feinstein told Fox News.
And if you're wondering if one airport collects more money than another, the answer is a resounding yes. In 2014, New York's John F. Kennedy Airport collected the most of all the U.S. airports at $42,550, while Seattle-Tacoma International Airport, for example, collected just $11,977.47.
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