There’s something suspicious about American's spike in flight cancellations

Skift Take
There’s (unproven) buzz that pilots, outraged over the airline’s cost-cutting decisions and without the legal right to strike, are engaged in an unofficial sickout that caused 57 cancellations Monday afternoon.
In the past two days, American Airlines has canceled about 5 percent of its flights and it doesn't appear that weather is a factor (although it was drizzly here at Dallas/Fort Worth Airport on Sunday).
The sharp eye of Gary Leff who blogs at BoardingArea.com noticed the cancellati