Originally Posted by
DAL4EVER
Flying at Mach .62 makes sense only if you are at FL180. In the upper 20s and 30s however, every mainline plane getting behind you is way on the back side of the power curve. If the RJ burns 200 PPH per engine more at high speed but the Boeings are able to cruise more efficiently than that's what the flight planners should look at.
Delta puts the gas in Comair's tanks and Delta keeps the savings. Why would Delta insist that Comair bebop along at .62 if it's messing up mainline's operations? Comair doesn't always know who's 80 miles in trail and gaining fast.
Boomer