Some airports will provide wheelchair assistance and others may provide assistance through electric cart service. You can request special assistance when making your booking on aa.com.
From aa.com:
Request special assistance on aa.com
When booking on aa.com choose “special assistance required” when filling out your passenger details, there you can:
- Request wheelchair service
- Request individual assistance if you have a hearing, vision, cognitive or developmental disability
- State if you’re traveling with any electric medical equipment or a service animal (notice is required within 48 hours of your flight)