Without Locutus and if the Admiral sent in all ships at once instead of doing wave attacks, maybe?
I'm basing everything I know on this fan edit, which if you haven't watched, you should.
When will part 2 come damnit?!
The preludes should also be watched! Part 1, Part 2.
Edit: Full series playlist, which will probably be updated with the release of Part 2 of the main story.
Breaking the temporal prime directive: If we hurry, we can save the Saratoga before Sisko loses his wife!
I don't know why but my brain immediately did one of those 'what if' things and the 'what if' this time was "What if Siskos wife survives and he decides to leave Starfleet to spend more time with his family and then Starfleet puts Barclay in charge of DS9?"
The Dominion doesn't stand a chance against the mastermind tactics of Commander Broccoli.
I was going to say he'd be emissary by blood since his mother was a prophet (kinda), but they don't exactly "get" time, so there's every chance that with effect preceeding cause, they'd go back and possess barclay's ma instead.
The Enterprise-C had been presumed lost several years earlier, how many other Ambassador Class beasts were spearheading that battle, along with a flank of Excelsiors.
I'm still waiting for the YouTube series to actually happen. I hope it doesn't get axed by the rightsholders.