oly720man From United Kingdom, joined exactly 9 years ago today! , 6183 posts, RR: 11 Posted (2 years 11 months 21 hours ago) and read 1419 times:
Maybe a sign of things to come. A UA B777 saved 1400 gallons fuel on a scheduled ORD-FRA-ORD flight by having some flexibility in routing/altitude and other efficiencies, in conjunction with ATC.