diff --git a/backend/src/routes/tasks.js b/backend/src/routes/tasks.js
index 87dd8c2..a442fea 100644
--- a/backend/src/routes/tasks.js
+++ b/backend/src/routes/tasks.js
@@ -78,10 +78,12 @@ async function fetchRoomOccupancy() {
       arriving.add(id)
     }
   }
-  // A site can have more than one booking on a turnover day (e.g. a departing guest
-  // plus a same-day incoming one) — physically-present-right-now always wins over a
-  // booking that's merely confirmed to arrive later.
-  for (const id of departing) { occupied.delete(id); arriving.delete(id) }
+  // A site can have more than one booking on a turnover day. Physically-present-right-
+  // now always wins over "merely confirmed to arrive later", so departing beats
+  // occupied. But a departing site that ALSO has a same-day incoming booking is a
+  // genuine back-to-back turnover worth flagging — leave it in `arriving` too rather
+  // than dropping it, so the UI can show both "Departing" and "Arrival today".
+  for (const id of departing) occupied.delete(id)
   for (const id of occupied) arriving.delete(id)
   return { occupied, departing, arriving }
 }
@@ -353,7 +355,9 @@ export async function taskRoutes(app) {
 
   // GET /api/occupancy — room state from NewBook for the Rooms Accessible View
   // Returns three lists: occupied (staying, guest in room), departing (guest in room
-  // but checking out today — accessible later) and arriving (booked today, not yet checked in)
+  // but checking out today — accessible later) and arriving (booked today, not yet
+  // checked in). A site can appear in both departing and arriving — a back-to-back
+  // turnover, today's guest not gone yet but the next one already booked in.
   app.get('/api/occupancy', { preHandler: requireCap('view') }, async (req, reply) => {
     try {
       const { occupied, departing, arriving } = await fetchRoomOccupancy()
diff --git a/frontend/src/pages/Summary.tsx b/frontend/src/pages/Summary.tsx
index 1ea6f77..d5f26d5 100644
--- a/frontend/src/pages/Summary.tsx
+++ b/frontend/src/pages/Summary.tsx
@@ -258,7 +258,9 @@ export default function Summary() {
           const sid = t.newbook_site_id ? String(t.newbook_site_id) : null
           const isOccupied = roomsView && !!sid && occupiedSiteIds.has(sid)
           const isDeparting = roomsView && !!sid && !isOccupied && departingSiteIds.has(sid)
-          const isArriving = roomsView && !!sid && !isOccupied && !isDeparting && arrivingSiteIds.has(sid)
+          // Not exclusive with isDeparting — a departing room can also have a same-day
+          // incoming booking (back-to-back turnover), and both badges should show.
+          const isArriving = roomsView && !!sid && !isOccupied && arrivingSiteIds.has(sid)
           return (
             <div
               key={t.id}