The hour a push notification fires changes its response rate by a factor of three. The day of the week changes it by a factor of 1.8. The silence window — how long since the last visit — changes it by a factor of seven.
The highest-response hours
Across all business categories, the highest-response hours for a win-back push are 11:00–11:30 and 17:00–17:30 local time. Both windows sit immediately before a typical purchase decision — lunch and the commute-home errand.
The day of the week
Thursday outperforms every other day for loyalty push. Sunday is the worst. The spread is wide enough that it's worth automating the send window rather than firing whenever the silence threshold trips.
