Busy. Crowded. Populated. Slot machines. Alcohol. Cigarette lounges.... Need I say more?!? It's Las Vegas and you will find tons of people, and lots of stuff happening. This airport isn't your average airport! You'll see drunk, ratchet, hung over, people randomly lighting cigarettes in areas they aren't supposed to, sports teams coming through, young kids running around, bachelorette and bachelor entourages etc. One thing I can guarantee is that you will not be bored watching the mass amounts of people here. Also be prepared to have to wait in line somewhere at some point while you are in this airport whether it be the bathroom or for food. It's something you can't avoid.