diff --git a/src/capdiff.c b/src/capdiff.c
index a2e1cc9..c0c3472 100644
--- a/src/capdiff.c
+++ b/src/capdiff.c
@@ -31,6 +31,8 @@ struct pkt_stats {
   gint port;
   uint64_t count;
   double cumulated_size;
+  struct timespec first;
+  struct timespec last;
 };
 
 void destroy_pkt_stats(gpointer data) {
@@ -50,8 +52,10 @@ void update_stats(struct buffer_packet *bp, GHashTable* stat_elem) {
     ps->port = port;
     ps->count = 0;
     ps->cumulated_size = 0;
+    ps->first = bp->seen;
     g_hash_table_insert (stat_elem, &ps->port, ps);
   }
+  ps->last = bp->seen;
   ps->count++;
   ps->cumulated_size += bp->ip.ap.fmt.headers.size;
 }
@@ -86,6 +90,10 @@ void reconstruct_action(struct cap_file cf[], struct pkt_reconstruct* pr, GHashT
   }
 };
 
+double timespec2double (struct timespec* ts) {
+  return (long long) ts->tv_sec + (double) ts->tv_nsec / (double)1e9;
+}
+
 int main(int argc, char** argv) {
   setvbuf(stdout, NULL, _IONBF, 0);
   printf("~ capdiff ~\n");
@@ -162,8 +170,18 @@ int main(int argc, char** argv) {
     }
 
     double drop = ps->count > ps2->count ? (double)(ps->count - ps2->count) / (double)ps->count : (double)(ps2->count - ps->count) / (double)ps2->count;
+    double delta_time = timespec2double (&ps->last) - timespec2double (&ps->first);
 
-    fprintf(stdout, "port=%d, avg_size=%lf, count=%ld, drop=%lf\n", *port, ps->cumulated_size / ps->count, ps->count, drop);
+    fprintf(
+      stdout,
+      "port=%d, avg_size=%lf, count=%ld, drop=%lf, duration=%lf, bandwidth=%lf kB/s, rate=%lf pkt/s\n",
+      *port,
+      ps->cumulated_size / ps->count,
+      ps->count,
+      drop,
+      delta_time,
+      ps->cumulated_size / delta_time / 1024,
+      ps->count / delta_time);
   }
 
   for (int i = 0; i < 2; i++) cap_unload (&cf[i]);