Typical B2B SaaS timelines

We're building a B2B SaaS for employee engagement and are aware and realise that everything in B2B takes time. Curious -- what is the typical timeline from a first meeting with a customer to a pilot kickoff in a successful case that you have seen? Our target is growth stage (100-500 employees) companies and all prospects that got on a call agreed 100% about the problem and were, at least in principle sold on our product idea and the proposed free pilot, which is a relatively new approach to the problem. Turns out, they all are taking several weeks to actually kick off the pilot. I understand it all depends on where this problem sits on their priority list, but I'd love to know timeliness that others see in typical B2B SaaS. Our target geographies are US and India. TIA!