Why is commercial air travel still the same speed it was 60 years ago? Will it ever change? - Quora

What is the future of commercial airlines? Are we going to get some thing better than airplanes for future air travel? - Quora

Why have commercial cars and passenger airplanes hardly changed in 50 years (1967–2017) relative to 50 years prior (1917–1967)? - Quora

Why is commercial air travel still the same speed it was 60 years ago? Will it ever change? - Quora

Why hasn't commercial jet aviation changed significantly since the 1960s? For 60 years we have been flying at 800-900 km / h in very noisy planes with passengers packed in minimally sized

Can civilians fly above 60,000 feet? - Quora

Did Boeing discontinue the 747-200 and 747-300 by the time the first 747-400 entered commercial service? - Quora

What was flying like 60 years ago? - Quora

If the Earth is really round, why do airplanes fly straight instead of just following the curve of the Earth? - Quora

Why hasn't airline travel gotten any faster since the 1960s? - Quora

Would you say the golden age of air travel is definitely over and will only get worse? - Quora