Table 2.

Coding process.

Open Coding	Axial Coding	Main Themes (Selective Coding)
“The airport security staff were sensitive to the attitude of our 6-year-old child with ADS who was not willing to put his iPad through the security machine. This was comforting and put my child and the family at ease”. “We are not sure about drawing attention to our child’s disability since airport staff and airlines used to make us sign a liability form for security reasons, so we feel we don’t want to be excluded […]”.	Social interaction with airport staff and others’ attitudes.	Interaction with airport staff and other passengers (critical service encounter)
“The FwASD were given the storybook in advance of the visit, and it was very useful for anticipating the activity with my child in the days before the activity took place. The storybook showed what was going to happen during our airport visit […]”. “We would like to have timely, online information about delays and how to access the special service support because we find it difficult to get this information online”.	Adapted communication resources and use of new technologies	Importance of timely adapted information provision and resources for travel anticipation: online anticipation resources, storybooks, videos, booking information, and service support information (critical communication encounter).
“We provided new ideas during the focus groups and we were delighted when these were implemented in the airport visit, such as the use of quiet rooms and priority access to check-in and boarding”.	Universal design	Importance of universal design and proper facilities for accessibility, such as the availability of sensory rooms, priority check-in, etc. (critical usage encounter).

FwASD—families of children with autism spectrum disorder, ADS—autism spectrum disorder.