Who killed America's airlines?

The government warns that "very brittle" airlines are on the verge of a breakdown. How did we get here?

On the same day U.S. airlines canceled almost five percent of their flights, Transportation Secretary Pete Buttigieg appeared on CNN to declare that America's airlines were "very brittle" and possibly on the verge of a breakdown.

Too late, Secretary Pete. 

The wheels started coming off the airline industry years ago. But the world finally started to notic…