Apple has reduced iPad production by 50% to boost the iPhone 13 inventory. The move is Apple's attempt to mitigate the effects of global chip shortages that have resulted in fewer iPhone 13 shipments amid increasing demand. Consumers will now have to wait up to six weeks to get their hands on an iPad.
https://www.notebookcheck.net/Global-chip-shortage-hits-Apple-hard-as-it-reduces-iPad-production-in-favor-of-the-iPhone-13.576700.0.html