United Airlines MileagePlus offers a wide range of redemption options, including flights on United and its partner airlines, hotel stays, car rentals, and merchandise. It also has a strong partnership with Star Alliance, allowing members to earn and redeem miles on a global network of airlines.

Frequent flyer miles can be redeemed for a variety of rewards, including free or discounted flights, priority boarding and baggage handling, access to airport lounges, and other perks.

While some airlines offer dining rewards programs, earning frequent flyer miles through dining is not as common as the other options listed.

The award threshold is the minimum number of miles required to redeem a specific reward, such as a free flight or hotel stay.

Economy status is not a type of frequent flyer status. Elite, Premier, and Gold are all examples of frequent flyer status levels that offer additional benefits and privileges.

Mileage transfer refers to the process of moving frequent flyer miles from one program to another, typically for a fee.

Discounted flight upgrades are not typically a benefit of elite frequent flyer status. However, elite members may be able to use their miles to upgrade flights at a reduced cost.

Partner redemption refers to the use of frequent flyer miles to book flights on partner airlines that have agreements with the issuing airline.

While airlines may offer promotions that award bonus miles for reaching a certain spending threshold, free flights are typically not given as a direct reward for spending.

Mileage pooling allows members of the same frequent flyer program to combine their miles into a single account, making it easier to redeem rewards.

Frequent flyer miles typically do not have an expiration date, so their value is not directly affected by this factor.

Mileage gifting refers to the practice of transferring frequent flyer miles to another person's account so that they can redeem them for rewards.

While airlines may partner with retailers to offer shopping rewards, retail partnerships are not as common as the other types listed.

Mileage upgrade refers to the use of frequent flyer miles to upgrade a flight to a higher class of service, such as business or first class.

Discounted car rentals are not typically a direct benefit of frequent flyer programs. However, some airlines may offer partnerships with car rental companies that provide discounts to frequent flyers.