Do Southwest Airlines and WestJet offer connecting service?
No. Currently, connecting service is not offered between the two carriers. If you wish to create your own itinerary using both airlines, you must book two separate reservations and are responsible for the checkin requirements of each carrier. Southwest Airlines and WestJet do not have ticketing or baggage agreements in place at this time and are not responsible for one another’s flight information, reaccommodations, special service requests, etc.