When will a commercial flight of a Boeing 737 MAX aircraft next take off in the United States?
After two fatal crashes in five months, regulators around the world grounded Boeing's 737 MAX aircraft pending further investigations (NPR, LA Times). When the plane might return to service has been the subject of much speculation (Business Insider, Simple Flying, USA Today, Reuters).
NOTE: this question will not be included with final scoring for the Finance Forecasting Challenge.
The question closed "No" with a closing date of 1 January 2020.