Why not contact Viasat using the information provided by AA on its website?
Viasat
- Choose "Contact Us” on the inflight Wi-Fi portal or through the Viasat Passenger Care portal at https://inflight.viasat.com
- Call 1-888-649-6711 (toll-free)
The inflight Wi-Fi portal will display “Service provided by Viasat”
Your credit card statement charges will appear as ”VIASAT IN-FLIGHT WIFI 888-649-6711 CA”