Originally Posted by Mike Jacoubowsky

I'd write to UA and apologize for my behavior. Explain that there were extenuating circumstances (and nicely explain what they were, but not in an entitled sort of manner), but that that wasn't not a good excuse for my swearing. That I understand it's a tough job being an FA, and if that FA encounters someone in a similar situation to my wife's, I wouldn't want her to hold my unfortunate "conversation" with her against anyone else.

In all likelihood more good would come out of this approach than one where you attack UA. It's taking the high road without looking like you've got an angle for doing so. Not too many people do that, and it gets noticed.