unexpected; unscheduled; unforeseen; unplanned
pre-established harmony (Leibniz theory); harmonie préétablie; (events) proceeding in a predictable fashion; turning out the way everyone expected; convention
schedule; program; programme; itinerary
change of schedule; schedule change
person in line (for ...); person expected to ...
to change the schedule; to change one's plans
estimated time of arrival; ETA
schedule of events; calendar of events
estimated time of departure; ETD
estimated price; price estimate
to exclude from the schedule
prepayment of income taxes
program; programme; prospectus