Going off investor day and the like, Delta has spoken about 3-4% growth for 2025, and I think onwards. Now 3-4% growth doesn't mean 3-4% more jets, can be achieved via upgauging too, but that would yield around 500 new pilots and 500 to cover for retirements. As long as we don't shrink, 500 is a safe bet as a floor, and 1000 for the years where we get the jets we are planning on. Max10, 220/321 engines, etc can put a damper on it.

All said, we still have more options to play with, 20 widebody, 70 321neo, and 30 Max. Delta typically takes all the options, just spread out over a long while, so I'd expect them eventually. 320/752/763 are being (slowly) parked as we speak, a handful here and there.