As opposed to the 23-some-odd years that's required for it to be funny. Actually, I don't wanna wait that long.
To cop a little from Gilbert Gottfried:
I'm flying out to Harrisburg in a few weeks for work. I tried to get a direct flight, but apparently they need to make a stop at the Empire State Building.
So folks, I'm not all that humorous when I'm trying to be. My wit is usually accidental. Let's try and come up with our best 9/11 jokes. Post 'em in the comments.