United Airlines

 I will be flying united through the US when I go for surgery. Do they have strict  policy about obese flyers? do they have seatbelt extenders? I am 5'7" and 295lbs i hope they dont charge me for another seat. 

United is usually pretty good.  I never had a problem flying them when I was obese.  Southwest is the worst - you want to stay far away from them.  All of the airlines have extenders.

I fly United frequently and have never had a problem.  Ask for an extender when you board, I find that to be a little less embarassing than asking when I'm at my seat.

At my biggest (5'2" and 335) I was able to.  They do have seatbelt extenders.  You should be just fine! 

 I never had a problem with any airline, even at 5'1" and 267 (at my heaviest).  I have flown United several times in the past couple of years for work, and it's been just fine.  I won't say it was entirely comfortable (seriously, would it kill them to make those seats just a smidge wider?!), but they never asked me to pay for another seat, nor did I ever have a problem with neighbors making a stink about any encroachment. :)

You can typically select your seat beforehand, if having a specific location (aisle or something ) would make you more comfortable.

 Thanks everyone!

 I always fly Continental (which is now United) and have NEVER had an issue and I'm 345lbs. I do usually need a seat belt extender but have never been required to purchase another seat. 

 I appreciate the feedback. I watched a TV show on southwestern and they seemed very judgemental and were charging for extra seats. I also didnt know that united used used to be continental. I have flown continental before. Now I feel better. When I fly in canada I always use an extender and it is illegal here to charge for a second seat.