What airlines did after 9/11, and what they're doing now as they deal with the fallout from the coronavirus pandemic and US travel ban

· Airlines have been hit hard by the coronavirus outbreak, from travel restrictions to consumer fears. 
· JetBlue CEO Robin Hayes recently said that the demand for flights has fallen more from the coronavirus than it did after 9/11. 
· Here's what airlines did after 9/11, and how that could inform what they do during the...