Can I Take A Walking Cane On Board Plane ,need It For Support?

Yes you can  the only problem is going though Security now if you can stand for about 5 minutes then you should be okaty as you are going have to put it though the x-ray machine
now if you can't stand for  a long lengh of time when your make your reservation request
a wheelchair -that would be make it easier on you and you can also get hand inspected that
way to and as well be able to be preboarded