She's Out of My League (2010)

Kirk is an average Joe who works as a TSA agent at the Pittsburgh airport with his friends. The status quo of his fairly monotonous life ends when he meets Molly, a smart, kind and gorgeous blonde. Because she's way out of his league (she's a hard 10 and he is but a 5), Kirk knows there's no way on earth she's ever going to fall for him. Or is there...?