Originally Posted by
DrinkRaiderade
...Will US let me move up to a LAX-CLT-ORF routing departing LAX at 1055p and arriving ORF at 841a if there is space available on both flights? ...
Yes, in my experience.
A quirk with the US system is that the 12:35am flight is considered the last flight of the night (rather than the first flight of the morning). So it is too on the US website ... the 12:35am flight would appear the day before (with notation that it leaves the next day).