Travel You don’t have to be on a 737 Max to be affected by the FAA grounding. Here’s why. March 14, 2019 Dawn Gilbertson, USA TODAY Comments Off on You don’t have to be on a 737 Max to be affected by the FAA grounding. Here’s why. American, Southwest and United are are strategically canceling flights and making other moves to cover the temporary loss of 72 planes.