A lot of coyotes hide in a brush pile, pipe, under someones front deck, etc. when they get too much heat on them and can't stay in front of the dogs. A few of my dogs will go in and drag one out to kill it, but they generally get beat up doing it. If I can avoid it I do. I have no experience with ...

There are not many clear answers to your questions. It depends on the type of dogs, the type of terrain you are hunting, and the individual coyote.

How long does it normally take for the dogs to get a coyote?
I have ran coyotes for 35+ miles that got away and I have caught coyotes that never ran ...