My pullets are now laying either every day or every other day, kind of irregular but I put it down to season and age, they're just getting started laying. I don't suppose they'd lay as regularly as my laying breeds. But I'm getting enough eggs now to incubate and check for fertility every week or so.
This year my Sizzles have been more irregular, like Walkswithdogs mentioned. It may be the genetics or just the age when they came into lay with decreasing days. In the past my girls laid like clock work for 14 to 16 days and then went broody, that cycle continued year round. If you let the hatch the babies and then take them at a week or two they will be back to laying around two to three weeks later.