You have excellent engineers. Smart, experienced, committed. And when you ask them when the platform migration will ship, they look slightly uncomfortable and say "Q3, probably, depending on a few things." This is not an engineering problem.
The structural invisibility problem
Most engineering teams have visibility into their own sprint. What they typically don't have is clean visibility into the dependency web — what other teams' timelines mean for their own, which shared services are on track, which platform decisions upstream will constrain their work downstream.
McKinsey research found that 70% of large technology programmes miss their original deadlines — and that the primary cause in over half of cases is unmanaged cross-team dependencies, not team-level execution failure.
"Teams don't miss deadlines because they're bad at estimating. They miss them because nobody mapped what they depend on."McKinsey Technology · Large-Scale Delivery Research
Fixing the signal problem
When a senior engineer says "probably Q3", they're encoding their best estimate of their own throughput, a rough model of two or three dependencies, a scepticism about requirements stability, and an awareness that committing to a date they might miss is professionally risky. The answer isn't to push harder for a commitment. It's to give them the information that would let them give you a real one.
Performalise's Predictability module maps dependencies across teams automatically, tracks scope stability in real time, and models forecast confidence intervals based on actual throughput variance. Engineers can see what their timeline looks like against the things they depend on. Leaders can see which dependencies are the highest risk to portfolio delivery — before the deadline arrives.