Room service availability at Waldorf Astoria Hotels & Resorts can vary by location and property. Many Waldorf Astoria hotels offer 24-hour room service, allowing guests to enjoy a selection of meals and beverages at any time of the day or night. However, some locations may have specific hours for room service, especially during off-peak seasons or certain times of the week. It is advisable for guests to check the information provided in their room or on the hotel's website, as it will typically outline the room service hours and menu options available. Guests seeking specific details about room service offerings at their particular Waldorf Astoria property can find the most accurate and up-to-date information on the current web page.