Furthermore, your chances of finding award availability for the dates you want are much better if you book early. (thepointsguy.com)
You won't have to worry about finding award seat availability or dealing with blackout dates. (rewardexpert.com)
If you can't find an award flight on the dates you want at the lowest redemptions rates, you'll just have to pay more or use your miles for something else. (rewardexpert.com)