>Did you use an LLM to write this post? The Wikipedia link is hallucinated

An erroneous ; was added. Probably not LLM.

https://en.wikipedia.org/wiki/American_Airlines_fleet

There's an errant semicolon in the URL, the correct URL should be: https://en.wikipedia.org/wiki/American_Airlines_fleet

The semicolon got added to the hyperlink rather than being a separate part of the text. A human reading this text should have been able to figure this out, while a machine might struggle, so I'm suspicious...

It's not hallucinated, there is just a extra ; at the end of the link