Again, if it's a one-ticket trip, the airline should provide a remedy for no extra cost. Which airline is that?
-sailor(Ocean & Mountain);
What's one-ticket trip? It's a Multi-city ticket bought from Air Canada, A. Toronto- Montreal (layover 3.5 hr, give up the 1.5hr flight) B. Berlin- Frankfurt (Layover 1hr 25 m)-Toronto . A is no problem. B is operated by Lufthansa.