I'm not speaking in general, but I play moves on instinct during blitz games. I don't necessarily check, double-check and recheck my move.
My speed in the opening is a little slow. My speed in the middlegame is fantastic. My speed in the endgame is a little slow again. At any point of the game I can make a move in say 8-16 seconds. And it would be the best move in 90% of the cases.
My opponent's timer is a bonus. Extra time to consider my plans.

Enough about that. You want to improve your blitz technique. You're losing time somewhere along the line. Find out where.
Loss of time in the opening is reasonably easily remedied. It just involves (more) memorization of your lines so you can gun out your moves, gaining time.
In the middlegame what I call 'pattern recognition' helps. Recognizing strategical and tactical patterns that may occur. When I embark on some strategical moves/tactical combination, or threaten to, prepare it, etc., in many cases it's a motif I've found long before the game. I will have found it in a puzzle, or in a game (not necessarily my own). You should always have a large arsenal of 'idea variations' to assault your opponent with.
The endgame is pure technique in most cases. You'll just have to sharpen it up if that's where you're losing time. Study all sorts of common endgames etc..

For whatever it's worth, good luck.