clearing of wl depends on many factors and no one can predict that upto X number of WL will be cleared positively. its a chance tht WL180 may be cleared on one day and WL25 may not clear the next day. take chances and book on the required date or be safe and book a RAC/confirmed ticket if the trip can be rescheduled. its upto you to take a decision. Predictions do not always come true, sometimes it might, sometimes it may not. dont be dependent on predictions. these give you an idea only.