Given the current situation, where airlines, some of them in...

Given the current situation, where airlines, some of them in bankruptcy, are dropping and changing routes, you simply need to assume they forgot to call you if an itinerary changed or got canceled. Don't assume they'll take care of you if they do change the schedule, and don't assume that what you booked, especially on an award ticket, is what you will actually fly. It's a difficult time for airlines, and that makes it a difficult time for travelers.