Originally Posted by SocietyFlyGirl

It's a little grey, because the US doesn't really have much in terms of airline consumer protection for weather cancellations, and what happened to Sunrisegirl in KIN was a weather cancellation....

but I'll conjecture that if the US had a weather rule similar to the EUs, it wouldn't apply to flights from KIN, because the US involuntary denied boarding reg doesn't extend to international flights TO the US.

From the US DoT about the involuntary denied boarding (I think I didn't include in my original lengthy post.) I've bolded the relevant sentence.