Why Boeing’s 777X Composite Wings Took Longer Than the 787

Boeing 777X composite wing

Updated on June 16, 2026 • 4 min read Boeing’s 777X program has become one of the longest commercial aircraft developments in recent history, with the 777-9 expected to enter service around 2027—roughly 14 years after launch in 2013. However, contrary to popular belief, the delay is not simply because Boeing struggled to build its

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