Originally Posted by
Hartington
Well, if I was the "cancelling carrier" and I had purchased you a ticket on another carrier, particularly one that I had no interline/business agreement with, I think I might argue that I had met my responsibility and that the carrier taking the passenger home was responsible.
I'm no legal expert but I believe the "cancelling carrier" still has primary responsibility for the passenger(s) until they successfully land at their destination. If a contracted carrier fails to fulfil their task then that's just between the two carriers to resolve at later date.