Originally Posted by
FWAAA
With DL's very low nonfuel costs per ASM (including industry-leading low labor costs per ASM), DL can afford to buy the extra fuel for the DC-9 variants even at this year's average price of $3/gal.
When NW proudly said about 16 years ago that it would fix up its DC-9s instead of buying new fuel efficient aircraft, jetA was selling for about $0.60/gal. Fuel is now nearly five times more costly, and those MD-80s burn nearly 1,000 gal per hour.

When oil prices bottomed out in 1998 (at about $10/barrel) NW's DC-9 reburbishment decision looked brilliant. (The 3Q2011 earnings statement put DL's average fuel cost at $3.29/gallon, BTW.)