Originally Posted by
Often1
The only major carrier I know of which protects across tickets (it is tickets, not PNR's, which matter) is AA. Neither AF nor DL do.
I cannot believe that you would not be protected in case you are on a single PNR holding multiple e-tickets with flights from the same carrier if the PNR is created by the airline itself.
I found myself in situations where the PNR is split on several e-tickets and I discovered it when receiving the confirmation.