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.


(ˌnɒnˈʃɛdjuːld) (esp US ˌnɒnˈskɛdʒʊəld)
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


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

(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 ?
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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.
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