"There's been so much pressure on the different shipping networks to deliver, I think there was even more demand that could have been had," Rubin said on "Squawk Box." "As good as business is, it could have even been better."
E-commerce sales overall have surged as a result of the coronavirus pandemic, rising 22% to hit $9 billion on Black Friday alone, according to Adobe Analytics. But that growth has come with a price, putting strain on warehouses and logistics networks. On Cyber Monday, for example, UPS reportedly told its drivers to stop picking up packages at some large retailers after those companies reached the capacity allocations it had set.