Strike threat from 17,000 workers now looms over Boeing’s 737-10 final stage

Strike threat from 17,000 workers now looms over Boeing’s 737-10 final stage

NEW YORK, August 22, 2026, 10:30 a.m. EDT

  • Boeing engineers and technical staff turned down proposed four-year contracts on Friday.
  • The bargaining group, which has 17,000 members, authorized a strike to take effect once their contracts end on October 6.
  • The 737-10 has completed its scheduled certification flights, with engineering close-out work still pending.
  • Boeing shares fell 7.5% over the past week, though they are still trading under the average analyst price target.

The Boeing Company is up against a labor deadline amid a critical stage in its 737-10 certification efforts. On Friday, engineers and technical staff turned down Boeing’s proposals and voted to authorize a strike following the expiration of their contracts on October 6.

Stock chart for NYSE:BA

The possibility of an assembly-line halt is not imminent. The bargaining units represent roughly 13,000 engineers and 4,000 technical staff. Their influence lies in areas such as design support, testing, and final certification.

Labor measureProfessional unitTechnical unit
Members representedRoughly 13,000Roughly 4,000
Offer rejected64%72%
Strike authorityGrantedGranted
Current contract expiresOct. 6, 2026Oct. 6, 2026
Vote percentages from Reuters; membership and expiry dates from SPEEA. SPEEA vote update

This places a spotlight on the timing. Boeing wrapped up the final planned certification flight for the 737-10 on July 28, following 976 test flights and over 2,060 flight hours. The company still needs to address remaining findings and obtain the amended type certificate.

The Federal Aviation Administration approved the smaller 737-7 on August 3. The FAA mandated new flight-control software, updated crew alert systems and changes to the engine anti-ice system design. Inspectors will continue to oversee production and monitor safety practices at Boeing plants.

737 milestoneStatusInvestor relevance
737-7 certificationFAA gave approval Aug. 3Refurbishment work and initial deliveries able to start
737-10 flight testingAll planned tests finishedEngineering still needs to be finalized
Renton productionShifting toward 47 units a monthAids both deliveries and cash flow
Everett North LineRunning at low production rateEssential to reach 52 per month and higher
SPEEA contractSet to end Oct. 6Could disrupt certification, support activity

The financial stakes are significant. Boeing reports that the MAX family has secured over 7,200 orders, with 2,360 planes handed over as of June. That leaves an estimated 4,840 aircraft on the backlog—equivalent to around 7.8 years of production at a pace of 52 jets per month, prior to accounting for cancellations, changes in aircraft mix or new orders.

Production extends beyond a single news cycle. Boeing advanced to a rate of 47 aircraft per month in the second quarter. The Everett facility is designed to back output of 52 jets per month and potentially more, following regulatory clearance and an initial low-rate phase.

Deliveries are driving better financial results. Revenue in the second quarter increased 8% to $24.56 billion. Boeing generated $631 million in free cash flow, reversing a $200 million outflow from the previous year. The Commercial Airplanes division, however, reported a $322 million loss.

Q2 measure20262025Change
Total revenue$24.56bn$22.75bn+8%
Commercial deliveries171150+14%
Free cash flow$631m-$200m+$831m
Commercial margin-2.7%-5.1%+2.4 pts
Total backlog$715bnAll-time high
Free cash flow is a non-GAAP measure. Boeing second-quarter results

Chief Executive Kelly Ortberg stated that operations had become “more stable” and that major certification programs were progressing according to plan. The labor vote marks the initial significant challenge to that assertion since the outcome in July.

Boeing reports its turned-down proposal included a 28.5% increase in total wage funds over four years, alongside inflation protections and stock awards. The company has moved forward with a backup plan. According to SPEEA, members are seeking considerable enhancements before agreeing to a new proposal.

The stock endured a tough week. BA ended Friday at $214.20, marking a 7.5% slide since August 14. Friday’s drop of 0.4% underperformed the S&P 500, which gained.

FirmRecommendationTargetRecent action
Tigress FinancialBuy$305Reiterated Aug. 6
BernsteinBuy$298Reiterated Aug. 10
ArgusBuy$265Raised Aug. 11
ConsensusBuy$274.8523 Buy, 5 Hold, 0 Sell
The consensus target implies about 28% upside from Friday’s close; estimates are preliminary. Investing.com analyst compilation

An investigation into a taxiway incident in Sydney included both a Qantas Boeing 737 and an Airbus A321. Officials confirmed there was not an imminent danger of collision. The review focuses on inconsistent ground directions and frequent airport events, rather than a proven 737 design issue.

Risks: Boeing and SPEEA still have over six weeks to negotiate an agreement, leaving a strike uncertain. Contingency plans may safeguard key programs. However, any brief halt by engineers could stall certification paperwork, customer support, or efforts to accelerate production.

The key indicator next week will be negotiations rather than deliveries. The SPEEA member survey ends August 26. Investors should monitor if discussions restart and if Boeing maintains its 2026 certification schedule for the 737-10.

The Boeing Company · NYSE:BA
737 certification meets an October labor clock
Flight testing is largely complete. The new variable is whether 17,000 engineers and technical workers remain on the job through certification close-out.
BOEING
Friday close
$214.20
Aug. 21, 2026, 4:00 p.m. EDT
Weekly move
−7.5%
Aug. 14 close to Aug. 21 close
Consensus target
$274.85
Preliminary upside: 28.3%
Labor deadline
Oct. 6
Professional and technical contracts expire
The narrowing 737 certification path
Jul. 28737-10 planned flights complete
Aug. 3FAA certifies 737-7
Aug. 21Contract offers rejected
Oct. 6Strike window can open
$231.67$214.20
Closes: $231.67, $225.95, $223.06, $222.20, $215.10, $214.20. Friday volume: 6.16 million.
Labor vote
Professional unit64% reject≈13,000
Technical unit72% reject≈4,000
Strike authorityApprovedBoth units
Member surveyAug. 263 p.m. PDT
Q2 recovery scorecard
Revenue$24.56bn+8%
Commercial deliveries171+14%
Free cash flow$631m+$831m YoY
Commercial margin−2.7%+2.4 pts
Total backlog$715bnRecord
Why the production ramp carries the equity story
47 → 52 jets/month
Renton transition · Everett North Line adds capacity
More than 7,200 MAX orders and 2,360 deliveries through June imply roughly 4,840 remaining aircraft. At 52 monthly, that simplified workload equals about 7.8 years before cancellations, mix changes or new orders.
737-7 FAA certified737-10 close-outTarget delivery 2027
Recommendation balance
23 Buy · 5 Hold · 0 Sell
Recent three-month compilation
Target range: $246 to $305. Argus upgraded to Buy on Aug. 11; Bernstein maintained Buy with a $298 target.
Market data as of Aug. 21, 2026, 4:00 p.m. EDT. Sources: Boeing Q2 2026 results and 737 program updates; FAA; SPEEA; Reuters; Investing.com and StockInvest.us. Analyst estimates and simplified backlog calculations are preliminary. Informational only, not investment advice.
Michał Rogucki

Michał Rogucki is a senior markets reporter at TS2.tech. His coverage ranges from stocks and technology to economic developments affecting global markets. He graduated from Humboldt University of Berlin and worked in investment research and market analysis before becoming a financial journalist.

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