Following a recent alarming incident on Alaska Airlines Flight 1282 to Ontario, California, the FAA has issued a directive to temporarily suspend all boeing 737 max airplanes. This decision specifically targets boeing 737 max airlines used by U.S. airlines or operating within the United States.

According to FlightAware, which tracks commercial aircraft flights, as of Monday morning, United Airlines had canceled 226 flights, or 7% of its scheduled departures, and alaska airlines flight cancellation had canceled 141 flights, or 20% of its scheduled departures.

According to Alaska Airlines‘ flexible travel policy, customers who have cancelled flights can choose to be transferred to the next available flight or request a change or refund without paying any additional fees. In a post to Twitter, United stated that it is assisting clients in locating alternative travel arrangements.

Every Boeing 737-9 Max equipped with a plug door will stay out of operation until the FAA ensures their safe return to service. To initiate this process, Boeing is required to furnish operators with instructions for inspections and maintenance. Although Boeing initially provided a set of instructions, they are currently revising it based on received feedback. Upon receiving the updated instructions from Boeing, the FAA will conduct a thorough review.

The primary factor determining the timeline for the Boeing 737-9 Max’s return to service is the safety of the flying public, prioritizing caution over speed.

The FAA has endorsed a compliance method for the Boeing 737-9 emergency airworthiness directive, and this information has been communicated to the affected operators.