There's a predictable booking surge coming for US restaurants in mid-June, and most operators aren't thinking about it yet. Father's Day runs a close second to Mother's Day as the highest-volume reservation day of the year. But the booking pattern differs in a specific way: it's more last-minute. Families planning Mother's Day typically lock in 2–3 weeks ahead. Father's Day reservations concentrate in the 72–96 hours before the holiday — meaning June 19–21, 2026 is the window where phone volume peaks for the restaurants that make the Father's Day list. The risk isn't just volume. It's the intersection of volume and timing. Father's Day falls on a Sunday, which means Saturday dinner service is running full capacity at the same time the phone is fielding Sunday reservation requests. Staff covering Saturday service can't simultaneously manage a surge of Sunday inquiry calls. Something gets missed.…