https://workflowmanagement.us/fedex-express-6-levels-of-options/
The overnight delivery option is most costly However, it can get your package to its destination within the first few hours of the following day. Choose this method for most urgent mail. This level is the next one that will deliver your mail the next day, although it may be more expensive. It takes 3 days for mail to reach the lowest point. This applies to urgent mail. qanka2bte8.