My Leghorns hatched on Day 23 - I purchased two new digital thermometers/hygrometers & found by comparing them to my old thermometer that my humidity levels were way off (I thought I was at 60% but really only around 50%) and my temps (thought they were 101 but they were only 99) had been too low using my old thermometer. Don't know if that was the reason for sure - but late hatches can happen. We had 6 out of 11 hatch out, 1 has since expired. 3 hatched early in day and 3 hatched later in day.
The remaining eggs were checke don Day 24 and none were viable any longer.
The remaining eggs were checke don Day 24 and none were viable any longer.