In context, it seems like modernization simply means that the software knows whether a flight was canceled and therefore can automate the status updates for the airplane crew. Nothing to do directly with UX.
At least, I feel confident in that analysis, since this exact same issue happened to Southwest in 2016, before they were using Sabre. Which would point to a chronic organizational failure
https://www.washingtonpost.com/news/dr-gridlock/wp/2016/07/2...