"We like what we're seeing so far but his exuberance over that is a little premature," said Dennis Tajer of the Allied Pilots Association.
Boeing CEO David Calhoun said the messages released earlier this month, in which employees boasted about bullying regulators, were "unacceptable."
Boeing CEO David Calhoun also told CNBC the company does not plan to change the name of the jet.
Boeing is set to report fourth-quarter earnings before the market opens on Wednesday.
Calhoun is a longtime Boeing board member, and is no stranger to crises nor to aviation.
Boeing took the drastic step after the FAA said it wouldn't likely certify the planes this year.
Dickson's comment to CNBC upends Boeing's guidance that regulators would reapprove the plane this year.
A former Boeing employee who raised concerns about 737 production will testify on Wednesday at a U.S. House hearing on the Federal Aviation Administration review of the grounded 737 Max.
Boeing invites industry members and experts to its 737 Max facilities in Washington state to help drum up support for the beleaguered planes.
Consumer advocate Ralph Nader indicates there could be a path for Boeing to get its 737 Max jet back in service.
Boeing CEO Dennis Muilenburg is expected to discuss how c-suites best navigate times of turmoil at the helm of a large public company.
More companies are splitting CEO and chairman roles, but it's not the death knell just yet.
David Calhoun's remarks Tuesday morning should make investors feel better about the embattled company, Jim Cramer says.
Lawmakers and family members pressed Boeing's CEO to resign after two fatal crashes, but Dennis Muilenburg has so far resisted calls to step down.
"I think this jobs number is going to get worse if Boeing isn't resolved," CNBC's Jim Cramer says.
The documents were released during a House committee questioning of Boeing CEO Dennis Muilenburg after two fatal crashes.
Boeing CEO Dennis Muilenburg heads to Congress for another hearing about the 737 Max after two fatal crashes killed 346 people.
U.S. stock futures point to a modestly higher open on Wall Street on a jam-packed Wednesday, including expectations for the Fed's third interest rate cut this year.
In a wide-ranging interview with CNBC's John Harwood, Bernie Sanders ripped CEOs of Wall Street banks, as well as those of energy and pharmaceutical companies.
Boeing's CEO Dennis Muilenburg is under increasing pressure after two fatal crashes of the company's bestselling planes killed 346 people.