HINSOPA:
I have multiple sclerosis that has progressed to the point that I have trouble standing in line for long and also walking the distance from the front of the airport to my departure gate.
I have to tell an attendant when I arrive at the airport that I require wheelchair assistance and someone arrives shortly with a wheelchair. Once, a wheelchair pusher very kindly told me that wheelchairs go through the "princess line," but I call it the "crippled %itch" line!
I still have to take out my liquids, take off my jacket/shoes and walk through the screening device, but I don't have to stand in a long security line. Once through security, the wheelchair pusher takes me on to my departure gate and drops me off. I do tip for this service, but that is up to the individual.
At my arrival airport....someone is waiting with a wheelchair and will take me to the baggage claim area, where I pick up my airport transportation. I wish I was still able to stand in line and walk to the gate, but a wheelchair is now the only way I can negotiate the airport.