British Airways

Hello Justin. Here is a reply to a topic that is similar to your own that explains why certain liveries are missing, although Alec’s reply might be a deciding factor for this particular livery.

I will just pick out a few key sentences from this reply so that you can see clearly an answer to your question.

The amount of liveries for every single plane in existence is extremely extensive, and Infinite Flight would never be able to add every single livery.

Using votes in the Features category, we can make the most popular and most wanted liveries added first, giving the developers an idea of what we want in IF. (This has already been mentioned)

Eventually, the Boeing 787 family may be updated, which means the demand for livery feature requests will rise, and then if this livery gets enough support, they may add it.