The Boeing 737 Max has been under public scrutiny for several years following multiple crashes and malfunctions. The Boeing 737 MAX 9 plane has only been in operation since October 2023, FAA records show. 7 p.m.: United temporarily suspends service on all 79 of its Boeing 737 Max 9 planes, the airline announces. Sunday, Jan. 76:30 a.m.: Nearly 700 flights are canceled nationwide due to the Boeing 737 Max 9 groundings, according to data from FlightAware. 4 p.m.: United announces it has found loose bolts during its inspection of its 737 Max 9 fleet.
