Become a MacRumors Supporter for $50/year with no ads, ability to filter front page stories, and private forums.
Yeah, why wouldn't you be able to?

If you're doing OTA, it takes a little longer than it would than a install via iTunes, mainly because the phone is doing all of the preparing and whatnot.
 
Register on MacRumors! This sidebar will go away, and you'll see fewer ads.