diff --git a/server/src/nest/booking-import/kitinerary-mapper.ts b/server/src/nest/booking-import/kitinerary-mapper.ts
index b90c9422e..7fdf9c100 100644
--- a/server/src/nest/booking-import/kitinerary-mapper.ts
+++ b/server/src/nest/booking-import/kitinerary-mapper.ts
@@ -709,7 +709,12 @@ function segmentDetail(r: KiReservation): {
     }
     return undefined;
   };
-  const seat = pick('seat', 'seatNumber');
+  // KItinerary writes a flight seat as airplaneSeat and a rail seat as
+  // reservedTicket.ticketedSeat.seatNumber, and drops any other seat key.
+  const ticket = r.reservedTicket as { ticketedSeat?: { seatNumber?: unknown } } | undefined;
+  const ticketSeat = ticket?.ticketedSeat?.seatNumber;
+  const seat =
+    pick('seat', 'seatNumber', 'airplaneSeat') ?? (ticketSeat != null && ticketSeat !== '' ? ticketSeat : undefined);
   const cls = pick('class', 'bookingClass', 'fareClass', 'serviceClass', 'seatingType');
   const platform = pick('platform', 'departurePlatform');
   const price = pick('price', 'priceAmount', 'totalPrice', 'total');
diff --git a/server/tests/unit/nest/booking-import/kitineraryMapper.test.ts b/server/tests/unit/nest/booking-import/kitineraryMapper.test.ts
index fc19f6e00..eac174312 100644
--- a/server/tests/unit/nest/booking-import/kitineraryMapper.test.ts
+++ b/server/tests/unit/nest/booking-import/kitineraryMapper.test.ts
@@ -634,3 +634,23 @@ describe('kitinerary mapper: a prompt-shaped AI lodging (#2477)', () => {
     });
   });
 });
+
+describe('kitinerary mapper: the seat as KItinerary writes it', () => {
+  it('reads a flight seat from airplaneSeat', () => {
+    const node = {
+      ...flight('CE9P8V', SFO, JFK, '2026-06-11T10:00:00', '2026-06-11T18:30:00', '450'),
+      airplaneSeat: '4D',
+    };
+    const { items } = mapReservations(legs(node), 'test.json');
+    expect(items[0].metadata).toMatchObject({ seat: '4D' });
+  });
+
+  it('reads a seat from reservedTicket.ticketedSeat.seatNumber', () => {
+    const node = {
+      ...flight('CE9P8V', SFO, JFK, '2026-06-11T10:00:00', '2026-06-11T18:30:00', '450'),
+      reservedTicket: { ticketedSeat: { seatNumber: '23A' } },
+    };
+    const { items } = mapReservations(legs(node), 'test.json');
+    expect(items[0].metadata).toMatchObject({ seat: '23A' });
+  });
+});