diff --git a/scripts/orchestra_e2e_healthcheck.sh b/scripts/orchestra_e2e_healthcheck.sh
index 7d47789..cfc8c5b 100755
--- a/scripts/orchestra_e2e_healthcheck.sh
+++ b/scripts/orchestra_e2e_healthcheck.sh
@@ -13,19 +13,29 @@ emit() {
   [ "$format" = none ] || printf "$@"
 }
 
+# now_us: current time in microseconds. Strips any locale decimal separator.
+now_us() { printf '%s' "${EPOCHREALTIME//[!0-9]/}"; }
+
+# elapsed_ms <start-us>: whole milliseconds since <start-us>.
+elapsed_ms() { printf '%s' "$(( ($(now_us) - $1) / 1000 ))"; }
+
 main() {
+  local start_us
+  start_us=$(now_us)
   local quiet=
   local json=
   local summary=
   local -a results=()
+  local timing=
   for arg in "$@"; do
     if [ "$arg" = --help ]; then
-      emit text 'Usage: %s [--quiet] [--json] [--summary] [--list-checks]\n\n' "${0##*/}"
+      emit text 'Usage: %s [--quiet] [--json] [--summary] [--timing] [--list-checks]\n\n' "${0##*/}"
       emit text 'Healthcheck script for Orchestra E2E tests.\n'
       emit text 'Exits 0 with a success message if all checks pass.\n'
       emit text '  --quiet  Suppress the success message; still exits 0.\n'
       emit text '  --list-checks  Print the name of each check; exits 0.\n'
       emit text '  --summary  Print one line per check before the success message.\n'
+      emit text '  --timing Print elapsed milliseconds for each check.\n'
       emit text 'Version: %s\n' "$VERSION"
       exit 0
     elif [ "$arg" = --list-checks ]; then
@@ -39,6 +49,8 @@ main() {
       json=1
     elif [ "$arg" = --summary ]; then
       summary=1
+    elif [ "$arg" = --timing ]; then
+      timing=1
     fi
   done
 
@@ -48,8 +60,20 @@ main() {
   [ -n "$quiet" ] && format=none
   [ -n "$json" ] && format=json
 
+  local -a TIMINGS=()
+  TIMINGS+=("healthchecks=$(elapsed_ms "$start_us")")
+
   if [ "$format" = json ]; then
-    emit "$format" '{"status":"ok","checks":%d}\n' "${#CHECKS[@]}"
+    local timings=
+    if [ -n "$timing" ]; then
+      local sep=
+      for t in "${TIMINGS[@]}"; do
+        timings+="$sep\"${t%%=*}\":${t#*=}"
+        sep=,
+      done
+      timings=",\"timings\":{$timings}"
+    fi
+    emit "$format" '{"status":"ok","checks":%d%s}\n' "${#CHECKS[@]}" "$timings"
     exit 0
   fi
 
@@ -59,6 +83,12 @@ main() {
     done
   fi
 
+  if [ -n "$timing" ]; then
+    for t in "${TIMINGS[@]}"; do
+      emit "$format" '%s: %sms\n' "${t%%=*}" "${t#*=}"
+    done
+  fi
+
   emit "$format" '%s\n' "$SUCCESS_MESSAGE"
   exit 0
 }
diff --git a/scripts/test_healthcheck.sh b/scripts/test_healthcheck.sh
index 423ff1e..1ef6b32 100755
--- a/scripts/test_healthcheck.sh
+++ b/scripts/test_healthcheck.sh
@@ -3,14 +3,16 @@
 
 HC="$(dirname "$0")/orchestra_e2e_healthcheck.sh"
 OK='OK - all healthchecks passed'
-USAGE="$(printf 'Usage: orchestra_e2e_healthcheck.sh [--quiet] [--json] [--summary] [--list-checks]\n\nHealthcheck script for Orchestra E2E tests.\nExits 0 with a success message if all checks pass.\n  --quiet  Suppress the success message; still exits 0.\n  --list-checks  Print the name of each check; exits 0.\n  --summary  Print one line per check before the success message.\nVersion: 1.0.0')"
+USAGE="$(printf 'Usage: orchestra_e2e_healthcheck.sh [--quiet] [--json] [--summary] [--timing] [--list-checks]\n\nHealthcheck script for Orchestra E2E tests.\nExits 0 with a success message if all checks pass.\n  --quiet  Suppress the success message; still exits 0.\n  --list-checks  Print the name of each check; exits 0.\n  --summary  Print one line per check before the success message.\n  --timing Print elapsed milliseconds for each check.\nVersion: 1.0.0')"
 fails=0
 
 check() { # check <expected-stdout> <label> [args...]
-  local want=$1 label=$2 got status
+  local want=$1 label=$2 got status raw
   shift 2
-  got=$(bash "$HC" "$@" 2>/dev/null)
+  raw=$(bash "$HC" "$@" 2>/dev/null)
   status=$?
+  # Durations vary per run, so normalise every digit run to N before comparing.
+  got=$(printf '%s' "$raw" | sed -E 's/[0-9]+ms/Nms/g; s/("healthchecks":)[0-9]+/\1N/g')
   if [ "$got" != "$want" ] || [ "$status" -ne 0 ]; then
     printf 'FAIL: %s (exit=%s)\n---got---\n%s\n---want---\n%s\n' "$label" "$status" "$got" "$want"
     fails=$((fails + 1))
@@ -23,6 +25,9 @@ check "$USAGE" '--help' --help
 check "$USAGE" '--help --quiet' --help --quiet
 check "$USAGE" '--quiet --help' --quiet --help
 check "$OK" 'unknown flag ignored' --bogus
+check "$(printf 'healthchecks: Nms\n%s' "$OK")" '--timing' --timing
+check '' '--timing --quiet' --timing --quiet
+check '{"status":"ok","checks":1,"timings":{"healthchecks":N}}' '--timing --json' --timing --json
 
 [ "$fails" -eq 0 ] || exit 1
 printf 'all checks passed\n'