But what happens when the old airplanes get too old to fly, and the lifespan of airplanes is much shorter than you think. The average airplane can fly for around 25 years; some can fly for 30 years but never more than that. So what happens to old airplanes when they reach that age?

Most commercial aircraft are designed for an operational life of 25 to 30 years, or approximately 60,000 to 100,000 "cycles" (one takeoff and landing). As of 2026, the global industry standard for retirement remains around 26 years. However, a plane can technically fly much longer if it is meticulously maintained; for example, many Boeing 757s and 767s are still in active service after 35 years. The "age" of a plane is less about the calendar year and more about the structural integrity of the fuselage, which is tested during rigorous "D-Checks" every 6 to 10 years. In 2026, airlines are retiring planes earlier not because they are "unsafe," but because newer models are 20-25% more fuel-efficient and offer better passenger amenities. Once a plane reaches its "retirement," it is often sold to cargo carriers or sent to "boneyards" like the Mojave Desert, where its parts are recycled to keep younger planes in the sky.