(Click on the site's Delivery Schedule for an estimate of shipping times to your state).
After 3 p.m., one day must be added to the delivery schedule; no weekend deliveries.
The Obama administration also supports a five-day mail delivery schedule.
Among the drawbacks people typically cite are having to plan and having to think about the delivery schedule.
"We're hopeful that Boeing will address the problems with the 787 production expeditiously and be in a position to provide us with a reliable delivery schedule".
Lufthansa, with a delivery schedule that extends to 2015 for 15 planes, expects its first deliveries from March to October 2009.
As an example, he gave tenants in a building who buy bottled water from multiple vendors, each with it own delivery schedule.
When pressed by analysts over whether this new delivery schedule, in light of the supply chain problems, was still realistic, Mr. McNerney maintained that it was.
Still, Boeing's inability to guarantee a delivery schedule "is a bit worrisome," said Troy J. Lahr, an analyst at Stifel, Nicolaus & Company in Baltimore.
But it said it was too early to draw conclusions because it did not have a new delivery schedule from Airbus.
