Originally Posted by
vikom
Thank you for your comments and advice. Once again apologies for wrongly using the term "coupons". This will be one PNR, one Ticket (even with the difference in last 2 tickets sometimes). The only difference being whether I book YUL-India as one way or as multi-city YUL-LHR and LHR-India. As pointed out by most there would be absolutely no difference in respect of Immigration and baggage through check-in. Pricing is also the same. I find that the system does not add UK departure check either way. Only difference which may arise is in Schedule Change or IRROPS situation as pointed out by 1Aturnleft.
I don't think in the final analysis it will make any difference since after ticketing it will look like you have an India to Canada trip. Even if the robotics treated the two options differently - and I'm not sure they would - then you would be able to ring up and get the next best schedule and actually BA are pretty good at accepting the passenger's preferences. So for example it may be that the best irrop option is to go via the USA, but an agent would never force that to happen. As it happens Air Canada is a close ticketing partner to BA so on the day irrops can be rebooked via AC. I don't think that applies to WestJet though, it can be done but it costs BA so much money that you have to be a very good customer before they would do that. AC is just a straight swap shop. So the short version is that I wouldn't spend time on this, it's all going to end the same. In contract terms booking it differently may give you additional rights, but BA will always want to route via LHR if they can, but will reroute otherwise with the passenger's consent.