Glad to help.
Figuring out speeds and ETA's are tough, and usually come through playing the game for a while. I still can't guess properly and most of my ETA's are "soon" or "not for a while".
I'm not sure how
Red Devils handles orders delay, but
Highway handles it based on a multitude of factors, most importantly size. Issuing a command to a division takes a lot longer for them to get sorted and organized as the division hq has to issue orders to the regiment hq, which in turn orders the battalion hq, which tells the companies what to do. In
Highway, there's actually a stat that shows how long a unit will be delayed from the moment it receives its orders to when it starts moving to carry them out.
From the manual:
If you gave an order for the 82nd Abn Div HQ to move, then the period required before the force as a whole starts moving will be
Total Orders Delay = Div HQ delay (50mins) + Regiment HQ delay (45) + Bn HQ delay (42) + Coy delay (33) = 170 Minutes.
That means that from the time you order the 82nd Div to move somewhere, it will take them 3 hours before you see them start to move. Completely bypassing the chain of command and ordering a battalion to move would mean less delay (only 75 minutes), but those forces can't coordinate with the rest of the division unless you micromanage like crazy. There's also one other caveat for the allies: there are (usually) no order delays for the first hour of a scenario. This represents the idea that units would have a set of standing orders when they landed.
Good luck on trying to find a cheap copy of
Highway to the Reich. It's a good game and you won't regret picking it up.