Wiktionary
unpunctuality
n. Not being punctual; lateness.
Usage examples of "unpunctuality".
Caruso, a very pleasant lady of Irish extraction, was disposed to dwell on the difficulties of housekeeping in Washington in view of the increasing unpunctuality in the collection of the Federal revenue, but the President checked her, evidently considering these domestic matters a reflection upon the solvency of the nation.
Sally had upstairs duties to perform, for which Ruth was thankful, as she kept receiving rather angry glances for her unpunctuality as long as Sally remained downstairs.