more often than not
Much of the time. Tom is late more often than not—he just never gets caught.
more often than not
Fig. usually. These flowers will live through the winter more often than not. This kind of dog will grow up to be a good watchdog more often than not.
more often than not
Also, often as not. Fairly frequently, more than or at least half the time, as in More often than not we'll have dinner in the den, or Dean and Chris agree on travel plans, often as not. [First half of 1900s]