nonscheduled: Meaning and Definition of

non•sched•uled

Pronunciation: (non-skej'ld, -oold, --uldBrit.non-shed'yld, -shej'ld), [key]
— adj.
  1. not scheduled; not entered on or having a schedule; unscheduled: nonscheduled activities.
  2. (of an airline) authorized to carry passengers or freight between specified points as demand warrants, rather than on a regular schedule.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.