However, the article mentioned that she was fired for bringing the Delta name into politics, so she may have made it look as if she was posting it in connection with her job or using her connection with Delta in some way.
I don’t think Delta would fire her for her opinions, and certainly not (as she claims) for “racist” motives, but they would fire her for misusing their brand identity.
“they would fire her for misusing their brand identity.”
Definitely. I think that has held up in court before. Seriously jeopardizes their ability to conduct business.
Of course it has worked the other way, too. People posting on their personal sites and being fired for that.