Pronunciation: (non-skej'OOld, -oold, -OO-uld; Brit.non-shed'yOOld, -shej'OOld), [key]
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.