nonscheduled

non·sched·uled

 (nŏn-skĕj′o͞old)
adj.
Operating without a regular schedule of passenger or cargo flights: a nonscheduled airline.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

nonscheduled

(ˌnɒnˈʃɛdjuːld) (esp US ˌnɒnˈskɛdʒʊəld)
adj
1. not according to a schedule or plan; unscheduled
2. (Aeronautics) (of an airline) operating without published flight schedules
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

non•sched•uled

(nɒnˈskɛdʒ uld, -ʊld, -u əld; Brit. -ˈʃɛd yuld, -ˈʃɛdʒ uld)

adj.
(of an airline or plane) authorized to carry passengers or freight between specified points as demand warrants, rather than on a regular schedule.
[1945–50, Amer.]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
References in periodicals archive ?
From a month ago, prices in the latest surveys declined 0.6% and 1.8%, respectively, for the scheduled and nonscheduled airfreight markets.
This developed as the agency looks forward to the mounting of chartered flights between Macau and Subic via the Clark-based nonscheduled carrier, Royal Air Charter Service Inc.
'PhilJets has also been working on upgrading its license capability from civil aviation authority to evolve from nonscheduled domestic to nonscheduled international, a necessity when entering the jet market.'
Nonscheduled pay such as overtime pay fell 3.7 percent to 18,778 yen for the six straight month of decline, and the overall monthly wage was down 0.6 percent to an average of 275,746 yen, down for the second month.
While such major work obviously causes disruption - something which operator Nexus has managed and communicated well - it is the nonscheduled delays which is the cause of immense frustration.
The new airline is expected to operate nonscheduled jet services for both government and commercial customers worldwide with a MD-88 aircraft, a second of which is scheduled for delivery in mid-December.
KALANIDHi Maran, who runs 20 television channels and two general newspapers in south India, has been keen to enter the aviation business and had even received a no- objection certificate from the civil aviation ministry to run a nonscheduled air passenger service, KAL Airways.
Nonscheduled freight operators also use the airport.
The answer lies in the lifetime duration of these weekly benefits to claimants with nonscheduled permanent partial disability.
Canadian Transportation Agency yesterday issued licenses to startup Porter Airlines to operate domestic and nonscheduled international services using medium aircraft.
The office's big missions include ocean shipping, nonscheduled liner cargo and management of intermodal equipment.