last-minute

See also: last minute

English

Just before it is too late; in the nick of time.
He's a last-minute replacement. After today, they'd have had to play with the original roster.
Done or occurring at the latest possible time before an event.
- 1962 April, J. N. Faulkner, “Summer Saturday at Waterloo”, in Modern Railways, page 263:
  Instead, travellers are directed to the respective assembly points; this facilitates any last-minute changes in platform arrangements and also frustrates any would-be queue-jumpers.