in the post
en route
on the way
impendingly
to come
fisherman's soup
around the corner
in the wind
in train
imminency
on the boil
impendency
impendence
imminence
forthcomingness
faster than a minnow can swim a dipper
imminentness
on the horizon
at the door of
in the offing
anon
accelerated
pull away
oncoming
at hand
forthcome
pending
early doors
soonly
get in
come in
get it on
come
break
be along
early
sooner rather than later
pass on
sharpish
in no time
quickly
any minute now
forthcoming
cooking
on the brink of
last-minute
on the point of
imminently
proximate
spur