Yep! Playing the 'waiting game' is awful! I remember when one of my gals was getting super close to laying. She'd go in the coop...outta the coop...in the coop...outta the coop...all day long!! Drove me nuts! The day she finally did lay her first egg...holy mackerel!! You should have heard that...
Gosh, at that age on both of those breeds, they should have started laying several months ago...are you positive (or the person you got them from) of their age(s)?
And yes, you're right...being introduced to new surroundings is quite stressful on chickens and it will take upwards of a week or...