Boeing vs Lockheed Martin: Which Is the Better Buy in 2026?

Boeing operates across commercial aircraft (737, 787, 777) and defense programs — two businesses with entirely different economics. Commercial aviation is highly cyclical, tied to airline profitability and travel demand. Defense is counter-cyclical and driven by government budget appropriations. Lockheed earns almost entirely from defense — F-35, hypersonic missiles, space systems, and classified programs — with revenue that grows relatively independently of economic conditions. Boeing's split between cyclical commercial and stable defense creates more quarterly volatility than Lockheed's defense-pure model.

Lockheed's revenue predictability is one of the highest in the market — the F-35 program alone provides multi-decade visibility, and defense contracts are structured with cost-plus or fixed-price terms that don't evaporate the way commercial aviation demand can. Boeing's commercial aircraft franchise is valuable but has been severely damaged by execution failures across the 737 MAX, 787, and manufacturing quality issues — the question is whether recovery is measured in years or decades. Lockheed for defense contract certainty; Boeing as a contrarian bet on commercial aviation recovery if execution finally improves.