diff --git a/tests/e2e/onlineboard-time-filter.spec.ts b/tests/e2e/onlineboard-time-filter.spec.ts
new file mode 100644
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+++ b/tests/e2e/onlineboard-time-filter.spec.ts
@@ -0,0 +1,82 @@
+import { test, expect } from "@playwright/test";
+
+// TIRREDESIGN-11 — "Время рейса" slider must filter results.
+//
+// We exercise the full slider→submit→URL→filtered-list pipeline:
+//   1. Drag the start thumb of the time-range slider
+//   2. Click "Найти"
+//   3. Assert URL gained the `-{timeFrom}{timeTo}` suffix
+//   4. Assert the rendered list shrank to flights inside the new window
+
+const ROUTE_URL = "/ru-ru/onlineboard/route/MOW-LED-20260423";
+
+test.describe("Onlineboard time-range filter (TIRREDESIGN-11)", () => {
+  test("URL with time-range suffix filters the list (URL → state path)", async ({
+    page,
+  }) => {
+    // Baseline: no filter
+    await page.goto(ROUTE_URL);
+    await expect(page.locator(".flight-card").first()).toBeVisible({
+      timeout: 15000,
+    });
+    const baseline = await page.locator(".flight-card").count();
+    expect(baseline).toBeGreaterThan(15);
+
+    // Filtered: 14:00–18:00
+    await page.goto(`${ROUTE_URL}-14001800`);
+    await expect(page.locator(".flight-card").first()).toBeVisible({
+      timeout: 15000,
+    });
+    const filtered = await page.locator(".flight-card").count();
+    expect(filtered).toBeLessThan(baseline);
+
+    // Slider label reflects the URL bounds
+    await expect(page.locator(".time-selector__value").first()).toHaveText(
+      "14:00 — 18:00",
+    );
+  });
+
+  test("dragging the slider + clicking Найти persists time range to URL", async ({
+    page,
+  }) => {
+    await page.goto(ROUTE_URL);
+    await expect(page.locator(".flight-card").first()).toBeVisible({
+      timeout: 15000,
+    });
+
+    // Drag the start thumb roughly to the 50 % mark (= 12:00).
+    const slider = page.locator(".p-slider").first();
+    const startThumb = page.locator(".p-slider-handle-start").first();
+    const sliderBox = await slider.boundingBox();
+    const thumbBox = await startThumb.boundingBox();
+    expect(sliderBox && thumbBox).toBeTruthy();
+    if (!sliderBox || !thumbBox) return;
+
+    const fromX = thumbBox.x + thumbBox.width / 2;
+    const fromY = thumbBox.y + thumbBox.height / 2;
+    // 50 % position along the track
+    const targetX = sliderBox.x + sliderBox.width * 0.5;
+
+    await page.mouse.move(fromX, fromY);
+    await page.mouse.down();
+    // Step the move a few times so PrimeReact's mousemove handler picks it up.
+    for (let i = 1; i <= 10; i++) {
+      const x = fromX + ((targetX - fromX) * i) / 10;
+      await page.mouse.move(x, fromY);
+    }
+    await page.mouse.up();
+
+    // The thumb should have left 0 — exact value depends on snap-to-step.
+    const labelAfterDrag = await page
+      .locator(".time-selector__value")
+      .first()
+      .textContent();
+    expect(labelAfterDrag).not.toBe("00:00 — 24:00");
+
+    // Submit.
+    await page.locator('[data-testid="search-submit"]').click();
+
+    // URL must have grown a time suffix.
+    await expect(page).toHaveURL(/\/onlineboard\/route\/MOW-LED-20260423-\d{8}/);
+  });
+});