Originally Posted by YYZC2

My hypothesis is that AC has come to the same conclusion. Welch was hailed as a "great communicator" who had the chops to finally sort out the myriad labour/management problems at YYZ. His departure 380 days into his tenure, IMHO, is an implicit signal of defeat in that regard.

Given that he already has a job lined up with JetBlue, I think it's safe to say he gave up on AC, not the other way around.

The installation of Segeart tells me that AC is planning to make big changes that may have big customer implications.