Picture source is from here.
Here are wing areas of several airplanes. As we can see the Spitfire, B747-400, and Mirage 2000, their wing area are not rectangular. The line drawn from left side to the ...
Over time, the wing aspect ratios of commercial airliners have increased.
For evidence ,see the following data:
Boeing 747-400: 7.91,
Boeing 757-200: 8.0
Boeing 767-300: 8.0
Airbus A310: 8.8
In this video:
The Insane Engineering of the 787
there's a chart (at around 10:40 in) which shows that the 737 (which series?) has an aspect ratio of over 9, while the 747, 757, 767 and 777 rise from ...