Originally Posted by Jetjok

So I guess that good old Bill McKelvy was right all along. He changed the cost index so many times, the company finally published that FCIF telling us to leave the damn thing alone. The understanding was always it was a balance between time vs. fuel. With the cost of fuel these days, maybe the company is planning on shorter hub turns or earlier departures and arrivals, in order to both save fuel and at the same time, make delivery. Should be an interesting balancing act, but I just can't envision flight plans much above FL 370, as the high and low speed margins get real close together, way up there.