Sometimes that's the way it goes. Some chicks take longer to hatch than others. To me every hatch is like Christmas. I hatch out a lot of chicks each year and it's always wonderful...
This thread may help you with your LG. Lots of good info. If you can hatch in an LG you can hatch in about anything. This thread may help you some with your LG.
https://www.backyardchickens.com/threads/little-giant-incubator-tricks.601352/
:welcome :frow I haven't read every post in this thread yet. If the humidity is too high during incubation, condensation can build up in the air cell and when the chicks pip the air cell they can drown. I'm sure many people will disagree with me but that has happened to me in the past. Good...