diff --git a/src/api.rs b/src/api.rs
index 0bd2d2a..7b84c3f 100644
--- a/src/api.rs
+++ b/src/api.rs
@@ -26,6 +26,7 @@ struct ApiStatus {
     ntp_active: bool,
     interfaces: Vec<String>,
     hardware_offset_ms: i64,
+    clock_delta_history: Vec<i64>,
 }
 
 // AppState to hold shared data
@@ -76,6 +77,8 @@ async fn get_status(data: web::Data<AppState>) -> impl Responder {
         .map(|ifa| ifa.ip().to_string())
         .collect();
 
+    let clock_delta_history: Vec<i64> = state.clock_delta_history.iter().cloned().collect();
+
     HttpResponse::Ok().json(ApiStatus {
         ltc_status,
         ltc_timecode,
@@ -89,6 +92,7 @@ async fn get_status(data: web::Data<AppState>) -> impl Responder {
         ntp_active,
         interfaces,
         hardware_offset_ms: hw_offset_ms,
+        clock_delta_history,
     })
 }
 
@@ -215,6 +219,7 @@ mod tests {
         assert_eq!(resp.ltc_timecode, "01:02:03:04");
         assert_eq!(resp.frame_rate, "25.00fps");
         assert_eq!(resp.hardware_offset_ms, 10);
+        assert_eq!(resp.clock_delta_history, vec![4, 5, 6]);
     }
 
     #[actix_web::test]
diff --git a/static/index.html b/static/index.html
index 6b4c64a..1aa7110 100644
--- a/static/index.html
+++ b/static/index.html
@@ -32,6 +32,7 @@
                 <h2>Clock Offset</h2>
                 <p>Delta: <span id="delta-ms">--</span> ms (<span id="delta-frames">--</span> frames)</p>
                 <p>Jitter: <span id="jitter-status">--</span></p>
+                <p>History (ms): <span id="delta-history">--</span></p>
             </div>
 
             <!-- Network Interfaces -->
diff --git a/static/script.js b/static/script.js
index 2195bfd..1a7385c 100644
--- a/static/script.js
+++ b/static/script.js
@@ -10,6 +10,7 @@ document.addEventListener('DOMContentLoaded', () => {
         deltaMs: document.getElementById('delta-ms'),
         deltaFrames: document.getElementById('delta-frames'),
         jitterStatus: document.getElementById('jitter-status'),
+        deltaHistory: document.getElementById('delta-history'),
         interfaces: document.getElementById('interfaces'),
     };
 
@@ -43,6 +44,8 @@ document.addEventListener('DOMContentLoaded', () => {
         statusElements.jitterStatus.textContent = data.jitter_status;
         statusElements.jitterStatus.className = data.jitter_status.toLowerCase();
 
+        statusElements.deltaHistory.textContent = data.clock_delta_history.join(', ');
+
         statusElements.interfaces.innerHTML = '';
         if (data.interfaces.length > 0) {
             data.interfaces.forEach(ip => {