What Fliers Need to Know About the Grounding of Some Boeing 737 MAX Flightsthedigitalchaps

After a section of an Alaska Airlines flight ripped away midair, travelers are once again asking about the safety—and future—of their flights on Boeing’s 737 MAX.

The Federal Aviation Administration grounded 171 Boeing MAX 9s on Saturday and ordered immediate inspections. The inspections take four to eight hours per aircraft, the agency said.