The 747 has a greater wing area than the 777. The MD
-11 and DC-10 also feature a wing sweep greater than that of the 777. (Not sure about the L-1011).
Also, doesn't the greater sweep of the wing allow for a higher crusing speed? IIRC, the MD
-11, DC-10, 747 and 727 have a greater cruising speed than later Boeings.
"Bangkok Tower, United 890 Heavy. Bangkok Tower, United 890 Heavy.....Okay, fine, we'll just turn 190 and Visual Our Way