Summary The Boeing 727 was successful due to its suitability for smaller airports, offering both range and passenger capacity. The 727's design made it ideal for hot and high conditions at high-altitude airports like Denver. Different variants and sizes of the 727 contributed to its high sales worldwide, making it a versatile option.

More than 60 years ago, the Boeing 727 entered into revenue-earning service. On February 1st, 1964, the US-built trijet reached a key milestone when Eastern Air Lines deployed the type on its first flights. In the decades that followed, Boeing would produce close to 2,000 727s, but why was it so successful? Well-suited to smaller airports One of the reasons that the Boeing 727 sold so well was that it could access smaller airports.

While this was already the case for regional aircraft, airlines often have to compromise on range and passenger capacity when deploying such planes. As such, the 727 offered an ideal compromise, as, despite being on the smaller side, it could still serve medium-range routes of several thousand kilometers. For passengers at these airports, this also meant better connectivity, particularly in the US, where regional traffic is often fed through hubs.

The 727 also offered a better deal for the airports, as, being one of the first airliners to be fitted with an auxiliary power unit (APU), it didn't rely on these facilities having ground power. Similarly, its rear stairs allowed passengers to board and disembark with ease. O.