(and) not before time!

(and) not before time!

An expression used to emphasize that something should have occurred a long time ago. They're finally hiring some extra help around here, and not before time—another one of my employees resigned today. A: "Dinner's ready!" B: "Not before time. I'm starving."
See also: before, not
Farlex Dictionary of Idioms.

not before time

used to convey that something now happening or about to happen should have happened earlier.
See also: before, not, time
Farlex Partner Idioms Dictionary
See also:
  • about time too
  • (it's) (a)bout time
  • about time
  • no fox given
  • any fool can/could...
  • any fool could (do something)
  • boom goes the dynamite
  • dynamite
  • something else again
  • as it were