It's really not about gallant; it's about what's appropriate in a given situation. There's a lot of stuff I don't end up doing because I don't think it's appropriate. Don't ask me where I get The Rules from, or why I think they're important.
Um. I guess, from a certain perspective, that still fits into the definition for gallant.

But yes, SFO is notorious. Unless you're any one of the passengers who are delayed by the weather. Not a single one of them has ever heard that San Francisco gets weather, and when it does flights get delayed. And boy are they shocked and surprised.