Originally Posted by
spkg
the following is a good example, for same odd reason, GTC will only show a random maximum number of less then 9, this case its 7, but i've seen 4s 5s and even 2s.
We have just verified using a different system and the availability shown above is, indeed, accurate, with 7 being the maximum number of available seats that AA is willing to show.
The industry-standard values for the maximum number of seats are 9, 7 and 4 (depending on the carrier/cabin).