···373373 return self.passengers.filter(status=CONFIRMED)
374374 return Passenger.objects.none()
375375376376+ def save(self, **kwargs):
377377+ """Override save to set the default time window value. Default value not set in Oracle."""
378378+ if not self.time_window:
379379+ self.time_window = DEFAULT_TIME_WINDOW
380380+ return super(Journey, self).save(**kwargs)
381381+376382377383class Passenger(TimeStampedModel):
378384 """A user who has joined a journey."""