Then the metric you actually care about is "got to the next thing rate" (I'll include the purpose of travel in there as being as important as the connecting flight).

Most PAX are, most of the time, unaffected by AC's OTP performance. Experienced travelers know to book with enough slack that travel delays won't be horrible. Many travel tools make a point of warning about short connections, or risky connections that might lead to long (e.g. overnight, or several day) delays.