There's no specific guide for this(I looked), but I figure people can use this as a quick link to tell someone :)
80-96 hours of actual pregnancy
+
2-5 hours of labor
Overall range:
82-101 hours after your wolf is bred for the pups to be born.
That is a range of around:
3.5 days to 4.5 days
Feel free to link this to chat even if you aren't me :)