Because there was no way "The Hitman" was going to land in New York before the champ did.
How much does Floyd Mayweather hate losing?
So much, that he once tried to pay off the pilot steering his plane to New York in order to get him to pass Ricky Hatton's plane, which was a few miles ahead of him, on their way to promote their 2007 fight.
Why?
Because "Money" is the champ and he has to be first at everything, even landing.
In Hatton's memoir, "War and Peace: My Story," he breaks down the tale which pretty much sums up why he's a "dickhead" in "The Hitman's" eyes.