My wife and I had AAdvantage Business class tickets issued (I have the ticket numbers on file) from Rome to Chicago for their nonstop flight in Oct 2020. With all of these Covid19 changes, American has cancelled that flight and all flights for the year (FCO-ORD) as this particular routing is seasonal. We have not been notified about any of this. Evidently they unilaterally tried to rebook us through Heathrow on BA, but I see that PNR was somehow cancelled as well. What is American's liability in all of this? We'd still like to take the trip, (maybe) but I don't want to get steamrolled by some overeager agent. Do I have any leverage to get them to issue tickets that would get us home without any undo delay or additional (BA) surcharge? BTW, I've noticed that the miles used to buy the original tickets has been credited back into my AAdvantage account, but they do NOT show up in my total miles tally.