The extent of the ripple effect will depend on whether the problem is one-off or the product of a systemic flaw, said John Gradek, who teaches aviation management at McGill University.
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John Gradek, director of the Aviation Management Program at McGill University (Archive photo)
If it's systemic across the entire MAX 9 fleet, it could take some time and have serious implications for carriers that rely on the plane, Gradek said. p>
This aircraft is a workhorse for Alaska Airlines.
A quote from John Gradek, coordinator of the aviation management program at McGill University
Alaska canceled 21% of its flights on Sunday and United canceled some 9%, with similar proportions so far Monday, according to tracking service FlightAware. The numbers currently place airlines in the top two spots for the percentage of canceled flights in the United States and Canada.
The 171 Grounded planes will have to pass an inspection before they can resume flying, the FAA announced Saturday.