Join Date: Nov 2000
Location: Nashville -Past DL Plat, FO, WN-CP, various hotel programs
Programs: DL-MM, AA, SW w/companion,HiltonDiamond, Hyatt PLat, IHF Plat, Miles and Points Seeker
Posts: 11,402
It might be easier for them to flag a flight SOLD OUT vs removing it all together for system programming reasons.
And, since folks like you already HAVE a ticket on that flight, by totally cancelling, you get cancelled out vs going in and changing the flight to one that is actually operating.