diff --git a/changelog.d/1284-route-plausibility-segment.md b/changelog.d/1284-route-plausibility-segment.md
new file mode 100644
index 000000000..4ab211957
--- /dev/null
+++ b/changelog.d/1284-route-plausibility-segment.md
@@ -0,0 +1,3 @@
+- Keep aircraft route labels on the scheduled airport leg instead of accepting
+  its distant great-circle extensions, preserving generous endpoint tolerance
+  across the signed-angle branch cut (rudycelekli, #1284).