September 13, 2014 11:16 AM EDT

The mad rush to buy the new iPhone 6 and iPhone 6 Plus is leaving would-be customers without new phones for several weeks as models sell out and wait times for the new phones extend.

The iPhone 6 Plus model has sold out in the U.S., and Apple said both the iPhone 6 and the iPhone 6 Plus are in high demand. “Response to iPhone 6 and iPhone 6 Plus has been incredible, with a record number of preorders overnight,” Apple told the Financial Times.

As of Saturday morning, the wait time for a 16GB iPhone 6 purchased directly from the Apple store was seven to 10 business days. Want an iPhone 6 Plus? It’ll be three to four weeks before it even ships.

Delays for ordering the new iPhone models from some wireless carriers are even longer then ordering directly from Apple, CNBC reports, with the wait times for an iPhone 6 Plus from AT&T at 35 to 42 business days.

Every iPhone update so far has set a new high in purchases, in part by expanding the number of countries in which the device goes on sale at launch.

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