not a moment too soon

not a moment too soon

At the last possible moment before it is too late; just in the nick of time. The police arrived not a moment too soon, and the would-be burglar was apprehended before anything could be stolen. A: "The surgeon has just arrived." B: "And not a moment too soon! This patient needs an operation immediately!"
See also: moment, not, soon
Farlex Dictionary of Idioms.
See also:
  • without a moment to spare
  • not a moment to spare
  • just now
  • the moment (that)
  • at this moment in time
  • any moment now
  • at this moment
  • at the moment
  • any moment
  • none too soon