Here’s How Much Bigger The Boeing 777X Is Compared To The 777

The upcoming Boeing 777-9 is the modernized replacement for the Boeing 737-300ER and will be the largest passenger jet on the market when it enters service. Its certification has now been delayed until 2027 as Boeing struggles to get new aircraft certified following its MAX crisis. But is the 777-9 bigger than the 777-300ER? The short answer is yes, but with some nuance.