SEATTLE — Boeing is falling behind schedule for its newest family of planes, the 777X, CEO Kelly Ortberg said Thursday.

The company is making progress on securing certification from the Federal Aviation Administration for the long-delayed Everett-based 777X program but, Ortberg said, Boeing is at a point in the process where it should be “burning down” its checklist with the FAA.

Instead, it still doesn’t have authorization from the regulator for a “good portion of the certification program,” Ortberg told analysts at a Morgan Stanley conference Thursday.

“We’re clearly behind our plan in getting the certification done,” Ortberg added.

The 777X family, which includes two passenger planes and one freighter, has faced years of delays since Boeing introduced the new model in 2013. Boeing n

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