I used ITA powertools to book a one way YDF-YYZ-BOS with a 30 hour layover in YYZ. Clicking through to the AC website to purchase, the itinerary displayed and priced correctly. However, after receiving the purchase confirmation from AC, the itinerary was missing the YYZ-BOS leg, and it lists my final destination as YYZ.

On cowtool, both segments are there, but they are split as if it were a open-jaw itinerary:



Anything I need to worry about? Will it just require me to check in twice?