The week of March 9, 2020, was a quickly unfolding nightmare for airline carriers like United, with grounded flights from Europe, customers canceling in record numbers and the prospect of mass furloughs. 

Axios Re:Cap speaks with United CEO Scott Kirby about the toughest choices he had to make that week, conversations that occurred about grounding all domestic air travel, and writing condolence notes to the families of employees who died from COVID.

Plus, we revisit what we learned from looking back and making this series.