There are so many disabilities that no one is aware of. I had a stroke but you might never know it. Because of it I can't stand in long lines for a long period of time. Also had knee replacement and foot surgery as well as several other health problems. I do not use a wheelchair or other prosthetics. But when I have to change planes at a very large airport, especially one I'm not familiar with, I ask for assistance f on gate to gate. I always go to the desk and ask to preboard. I wish there was a way to put this into our record when we book our flights. So far I haven't had any problems but I have gotten a sceptical look or two.
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