Amongst other things, you also get paid for keeping your boss’ blood pressure under check. Pity the poor over-stressed guy and update him before he thinks of any project assigned to you. In other words, meet him halfway through.
If it is getting delayed, or worse, not getting done at all, make him an accomplice to murder by keeping him informed in advance. In case you are likely to meet your target, present him with a draft report/outcome much before the deadline.
(Excerpt from my book ‘Surviving in the Corporate Jungle’)