Best estimate
Wait Time
Checking the current order list.
Elapsed since the order was entered, not time remaining.
How this estimate works
Completed, cancelled, refunded and pre-opening orders are removed, as are orders that never reach the Expo screen, such as shelf items. Some kitchen bumps never reach our sales system, so an order also counts as done once the second kitchen screen bumped it 20 minutes ago, or when it was rung on the second register while that register's bumps are not being saved. If a blank completion has been bypassed by at least ten newer completed orders—including three with a matching item—it is treated as a missed completion rather than an order still waiting on Expo.
The result is a best estimate. A genuinely late order can sometimes finish after many newer orders.