If you are in a current medical situation, any situation, that requires assistance, get a written letter or Rx from your doctor to present to the airport and airline staff. Always contact your airline to have them annotate your reservation record with any special needs.

Communicate your needs to any flight people or staff so they can be aware and radio ahead for help on the ground should you need it. Even with a "visible" disability or situation requiring assistance, you can not and should not assume people will be observant or helpful until informed, and even then, it may be a crapshoot.

You will not be blacklisted, IMHO, only if you made some type of threat or other. As for expecting an announcement over the intercom in the terminal, very unlikely although it would have been welcome. Why didn't your husband call or text you to tell you the situation?

And the cardinal rule of flying with a disability, or anytime - NEVER, NEVER, schedule anything with less than 1 hour of connecting time, especially in the winter. Late flights must be anticipated, and time given to move from gate to gate. You can find out from checking airline sites the anticipated flight time, arrival and take off, as well as (usually) up to date gate assignments via web, apps, or calling before boarding the flight, and for your next flight.

I realize that your itinerary was unusual and maybe you had no choice, but seeing as you and your husband knew your mobility is limited, arrangements should have been made otherwise to accomodate you, or at least called ahead to arrange wheelchair or cart transport with the transfer airport.

By way of reference, I've flown a lot from 2000 through 2013, and many trips with my 23 year old handicapped cerebral palsy daughter who is wheelchair bound, and must be carried to and from her seat, and her wheelchair broken down, stowed in the cargo compartment, and then wait for them to bring it up, reassembled, and then she is placed into it. Lived it, learned a lot, and must anticipate delays, obstacles, problems.

It is not your fault, but in the future, much more can be done to mitigate these travel issues. The last thing you need is to hurt yourself further from running, or falling, or worse. Hope your travels are safe and more relaxed, and your recovery is soon.

Regards,

Bart, MP Premier (an old now outdated UAL name now.)