# HappyChef Datahub — lead_by_party
# reservations created 1 October 2025 – visit date 30 September 2026 · 37409 datapoints · 42 Belgian restaurants
# Median lead time (days) per restaurant per party size, then median across restaurants.
median_lead_days,psize
2,1–2
4,3–4
5.5,5–6
9.5,7–8
17.5,9+