Indeed, the scale of these machines is already immense! Overall, the 777 is larger than the 767 in every way. However, size-differentiation is made complicated when we look at the 767's largest variant (767-400) and the 777's smallest (777-200).
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Studies for a higher-capacity 767 in 1986 led Boeing to develop the larger 777 twinjet, introduced in June 1995.
For example, the 787-8 has a greater wingspan than the 767 and is designed to be more fuel efficient. Meanwhile, the 767 is longer than the 787 but cannot carry that many more passengers.
Boeing's bet that the larger size would be popular just didn't work out. Apart from a few niche areas, airlines were just not interested in the extra capacity, given the reduction in range (and higher operating cost).
The Airbus A330 is a newer, more advanced widebody aircraft compared to the Boeing 767. While both aircraft are superficially similar, the A330 is the superior aircraft of the two. The A330 offers a wider fuselage (222 inches) allowing for 8 abreast seating in economy class, whereas the 767 offers only 7 abreast.
engines); the 767 is the “Dumpster,” the “Slug” and “Stumpy”; the 777 became the “Cripple Seven,” “Bigfoot,” “Sasquatch” and “Seventh Wonder”; and finally, the 787 (Boeing's “Dreamliner”) has morphed into the “Tupper-jet.”
The Boeing 787s will replace 14 of British Airways' Boeing 767 fleet, while the Airbus A380s will replace 20 of BA's Boeing 747-400s and will most likely be used to increase capacity on key routes from Heathrow Airport.
Boeing's mid-capacity widebody 767 has proven to be a staple of long haul flying. With a healthy range and better economics than the 747, it was the pioneer of twinjet ETOPS and enabled more airlines to operate on a point to point model.
The 777 is way longer and has long huge raked wingtips with no winglets. On the other hand, the 767 has smaller, more 737 shaped wings but bigger and some have winglets and some not. Secondly, the 777 can fly much farther than the 767 And carry more passengers.
A: The 757 is one of my favorite airplanes. The lines are beautiful, and the performance is unmatched by other airliners. It has a higher thrust-to-weight ratio, resulting in spectacular climb performance.