Amazon plans to compensate customers, who have not received their Christmas deliveries on time, with a $20 gift card and reverted shipping charges.

The holiday season began with a boom for Amazon with a record breaking sale of 426 items per second but unfortunately the online retail giant could not deliver the orders on time. Apparently the company has put the blame on its delivery partners United Parcel Service and FedEx and asserted that they will be reviewing their services.

"Amazon fulfillment centers processed and tendered customer orders to delivery carriers on time for holiday delivery," said Mary Osako, a company spokeswoman, in an emailed statement, reports PC World. "We are reviewing the performance of the delivery carriers."

However, the company has not revealed how many customers have been affected by the problem. Some of the buyers received a notice from UPS stating that the company would not be able to deliver their orders on Christmas. It also said that some shipping consignments would take longer (reaching 2 days after Christmas) as most of its employees were on a holiday.

UPS also added that the overwhelming number of orders that spiked in the last few days and bad weather has primarily caused the delays.

Many infuriated Amazon customers started venting out their frustration on social media sites. One angry consumer, Reinman_MT tweeted, "Expecting a delivery from Amazon. Guaranteed delivery by 8 PM. Now almost 9 PM, no delivery. Can I sue??"

To pacify its buyers Amazon has planned to make up for the losses with a $20 gift card and repaying the shipment charges. Also, customers with a prime membership on a trial basis will be eligible to get a free extension for a month on a late delivery. Permanent (paying) members will get 12 such extensions, says CNet.

You only need to call customer care and request for an extension.

Amazon is not the only one on the list for the delay on delivery, Walmart ranks next in the list. The multinational retail corporation will be also providing gift cards to the customers who have not received their Christmas deliveries on time according to a recent post on New York Times. The company has not commented on the matter as of now.

Khol's cooperation, the Milwaukee-based departmental store chain will be refunding the entire cost for the items not delivered on time. "We're deeply sorry for disappointing our customers expecting delivery in time for Christmas," said Jen Johnson, a company spokesperson in a statement. "Although a limited number were impacted, we take each customer experience seriously."