Originally Posted by
vroom
I'm trying to book YYZ-JNB with a stopover in FRA on the outbound. Found a great itinerary and price on Matrix, both legs are AC fares so I figure I should be able to book with AC to get my SQD.
The answer to your fundamental question ("Are Matrix itineraries always bookable?") is no. That doesn't mean yours can't be booked, but it's not guaranteed. There's plenty of information on it in this existing thread, which is why I've moved your post here.