Is Hilton Diamond Reservation Guarantee Worthless?

Most hotel chains offer their top tier elite members a “reservation guarantee.” Basically as long as you book a few days in advance (typically at least 48-72 hours before arrival), you’re guaranteed a room. At least in theory that’s what the guarantee looks like.

Hilton-Diamond-Guarantee

Now, this isn’t something I’ve taken advantage of up until now, given that they’ll charge you the rack rate if you make a booking under the guarantee. Since my travel schedule is usually pretty flexible, I have no reason to pay a fortune for a reservation guarantee when I could otherwise just reschedule my travel and use points.

The catch with these guarantees is that the hotel chains always have an “out.” What’s interesting is how the fine print differs between chains when it comes to this guarantee.

Hilton’s Diamond Reservation Guarantee has the following terms:

The Diamond Reservations Guarantee allows Diamond members to place a guaranteed reservation at a sold out hotel when made 48 hours prior to arrival, except during Extraordinary Demand Date periods, when the hotel becomes overbooked on inventory by more than 10%, and for some hotels when the hotel becomes overbooked on inventory by more than 2%. See Terms & Conditions for details.

Hyatt’s Diamond 48-Hour Guarantee has the following terms:

Guarantee valid for one standard guestroom when paying the hotel’s Hyatt Daily Rate. Not valid at Hyatt resorts, Hyatt Zilara and Hyatt Ziva properties, Hyatt Residence Club resorts, or during extraordinary room demand.

IHG Rewards Club’s Platinum Guaranteed Room Availability has the following terms:

Requires 72 hours advance notice. Platinum Elite members are guaranteed one guest room for personal use for reservations made at least 72 hours prior to the date of arrival, except during special events that result in extraordinary demand, as determined solely by the hotel. Guaranteed room availability is not valid for Reward Nights. These reservations can only be made through the IHG® Rewards Club Service Center.

Marriott’s Platinum 48-Hour Guaranteed Availability has the following terms:

Traveling on short notice? We guarantee you’ll always have a room for any paid stay. Just make a reservation at least 48 hours before arrival at any of our 3,700+ participating hotels (Excluding Marriott Vacation Club. At Residence Inn and TownePlace Suites, applies to Studios only.) This offer may not be available during certain limited dates or special events, so be sure to check on this when you book.

Starwood’s Platinum Guaranteed Room Availability has the following terms:

Applicable to one standard room booked by 3 p.m. local time 72+ hours before day of arrival at participating hotels. Member must pay regular RACK rate. Black out dates apply. Not available at resorts. Room upgrade and Free Night Award redemption do not apply when this benefit is utilized. Minimum length-of-stay requirement must be met.

As you can see, while the way they phrase the restrictions differs by chain, these aren’t actually guarantees:

  • Not available if the hotel is overbooked by 2-10%
  • Not valid during periods of extraordinary room demand
  • Not available during certain limited dates or special events
  • Blackout dates apply

And I get the need for “outs.” During the World Cup, Super Bowl, etc., I can totally see the need for these restrictions. But what about during somewhat smaller events?

I’m not trying to pick on Hilton specifically here, because I’m guessing the policy is the same for every chain, but I’ve finally tried to exercise this guarantee for the first time. As you guys know, I’m taking my dad on a big round the world trip in a few months, and I thought I had all the details ironed out. I finally figured out a way to get down to Queenstown for a few days without it being too much of a hassle. It’s something I really want to do, because all the other destinations we’re visiting during this trip are big cities.

The only problem is that the Hilton is sold out for one of those nights. Most of the other hotels seem to be sold out as well, as it seems that the Queenstown Marathon is that weekend. In the case of Hilton specifically, I find it interesting that they claim that the guarantee doesn’t apply anymore when hotels are overbooked between 2% and 10%. Now I’m no expert on hotel inventory management, but I would assume that hotels are ordinarily overselling by somewhere in the range of 2-10%, especially months in advance when there could still be lots of cancellations.

Hotel Exterior

Based on that it sure seems like a hotel might be oversold by somewhere between 2% and 10% and still be selling one more room to the general public, and then once that room is sold, there are no rooms for sale regardless of whether you’re exercising a guarantee or not. In other words, I have to wonder whether hotels are actually allocating any inventory to this “guarantee.”

From the hotel’s perspective I can’t blame them if they’re not. The individual hotel doesn’t really have a reason to care who books that last room. If anything they might prefer a non-elite, because there are fewer complimentary benefits they have to offer them.

Anyway, it is what it is and there’s nothing I can do about it. But I figured I’d share my experience since this is my first time trying to use the guarantee. I figured it wouldn’t work during New Years Eve in Sydney, at the World Cup, Super Bowl, etc., but it seems that it’s even more restrictive than that.

To anyone that has used one of those guarantees before, have you actually found them to be useful, or more of a gimmick?

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LB Guest

I too am a diamond member. I've tried to use it twice. Once, I was within the 48 hours. I was assured that if I ever needed it again and called sooner, I would be able to exercise it. Today, I tried again, for the 2nd time. This time, I'm calling 10 days prior my desired stay. Nope - sorry, they're sold out. But, I'm a Diamond member. Nope, they're sold out. The system won't allow them to add a reservation. Bye - Bye Hilton. My last 2 stays at a Marriott were actually more enjoyable.

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Unknown Guest

Hi all, I’m a director of sales at a very busy Hilton hotel and as beneficial as it sounds, the Diamond Guarantee really isn’t worth it. Think of it this way. You’re forcing yourself into a sold out hotel. The reason it must be 48 hours in advance, is to provide adequate time for the hotel to relocate someone else. In addition, Hilton diamond guarantee’s rate is BAR (best available rate) plus 50%. This covers the relocation fees. You’re essentially “booting someone out” and paying for their stay elsewhere, and then staying at the hotel that you just screwed over. Front desk staff members unfortunately look down on these guests because they’re often the people tasked with finding a relocatable arrival along transferring them to an equal or greater property. Keep in mind that when a Hilton hotel is sold out, the surrounding hotels often are too. Especially in my city. Hotels rarely overbook intentionally. 99% of overbooking is due to diamond members using their guarantee. Hotel’s may only allow 1 or 2 of these on any given night, but it’s their choice. If relocating is simple in their location, they may allow more. But it truly is an inconvenience to the staff at the hotel, because if they’re sold out, they’ve got much more to deal with than to accommodate a guest who is forcing themselves in. Consider modifying your travel dates. Or staying elsewhere if a Hilton hotel is at capacity. Don’t exercise the diamond guarantee unless you absolutely have to. And if you do, let the hotel know the extenuating circumstances that led to it. You’ll be treated much better. And don’t question the price! The BAR + 50% includes not only the relocation of someone else, but the time it took a entry level team member to figure it all out for you. Also, if you need to use it, book either online or via the diamond desk. Don’t call the front desk because they don’t have access to the diamond guarantee rate plan. The front desk can’t intentionally oversell the hotel either. Corrective action will take place on that employee when all they were trying to do, was assist an entitled diamond member.

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Echo Guest

Attempted to use this tonight (Hilton Diamond) to secure a room at the 570-key Beverly Hilton for a five-night stay which includes 3 sold-out nights. Was told that they only make 2 rooms available at this hotel (every night) for the guarantee and both were already booked. That is just 0.35% of the rooms inventory.

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sparky Guest

I had a similar experience as kbd. I thought being Diamond brought me this guarantee. However, when I actually needed to use it due to a scheduling snafu, I was told they were overbooked and couldn't accommodate. If they can overbook people why not overbook one more who is Diamond status? Isn't this loyalty program suppose to bring with it some privileges? Looking at the fine print exempting them when oversold by even 2% or special events, etc. Essentially there are so many "outs" the guarantee becomes worthless. It's essentially at their discretion anyway. Lame.

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Kbd Guest

Can I add to this a few years later? I was in Venice i’m A Hilton Diamond member. Going in for a conference. I was told the hotel was sold out. I called into the hotel and then the reservation line mentioned that they had a 48 hour guarantee. Outside of having to explain it to everyone i was repeatedly told the hotel cannot sell me a room if it’s sold out. I then showed up at the hotel 72 hours in advance as i had a room for a few nights, a gap, and then two more nights, hoping i could a complete stay. I reminded everyone and showed them the website that stated “48 hour gurantee” they again told me can’t sell me a room if they are sold out. I called the res line and they had no clue about the gurantee. Finally in the end i was told this was only something i could go online and then “attempt” to book via the website inside of 48 hours and whatever room might show up such as a suite or other large room i might book that. — a 1500 euro suite was available the inside the next day. The next month I tried to book at one of their lower end properties for a friends son’s wedding again sold out. And again told no you can’t have a room regardless of this guarantee. Same rigamarole. The whole guarantee is a joke. Being a diamond at Hilton is pretty much worthless. As much as Marriott is having some pretty terrible birthing pains with the SPG merger at least you can arrange a room etc.

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