[ sked ]
/ skɛd /
an airline that maintains a regular schedule of flights.
Origin of sked
1925–30, in sense “schedule”; by shortening and respelling
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Word Origin and History for sked
short for schedule, student slang from 1929.
Online Etymology Dictionary, © 2010 Douglas Harper