A disability notification card helps TSA agents know what to expect so that they can better serve individuals with autism, cognitive disorders, or other challenges. This will help the TSA agent to adjust their expectations so that your family isn't treated differently for having someone who is on the autism spectrum.
The TSA has an excellent video on its YouTube account that specifically addresses autism. Passengers with developmental disabilities, including autism, have the right to be screened without being separated from their traveling companions. If a pat down is required, remember you can request a private screening.
Yes, you can request additional support from airline staff for your autistic child. This may include assistance with checking in, passing through security, and boarding the plane. It is recommended that you contact the airline in advance to make these requests.
Skip the queuesIf you have a disability, you can ask to skip the queue at security as part of your Special Assistance. Alternatively, you can pay a small fee to use priority or 'fast track' security lanes at many airports. It's often cheaper to book this in advance by contacting the airport.