American said in a statement that it would ground 17 of the 24 737 Max planes they own, while United said it would ground 16 out of the 30 737 Max planes in their fleet.

Southwest said it would ground 30 of the airline’s 58 737 Max planes in its fleet containing more than 700 planes.

All 737 Max planes were grounded worldwide between March 2019 and November 2020 after two fatal crashes occurred, killing 346 people on board those flights.