Impossible. The Yorktown was virtually blown out of the water at Coral Sea. They can't have repaired her and brought her this far west in less than 10 days.
8 seconds sound clip from the Midway (1976) movie soundboard.
You can hear this line at 01:25:49.372 in the Blu-ray version of the movie.
Quote context
[...]
- What good's our orders if the skipper's gonna lead us off on his own? I don't like it, sir.
(WW2 Airplanes - Torpedo Squadron USS Hornet) (2)
- Sir, another message from Scout 4.
- We must assume that they have!
- If it is the Yorktown, we must destroy her at once, sir.
- Admiral, Midway will have to wait, sir.
[...]