With the epacket logistics news, this year (2016), the epacket package caused a big delay in the December Christmas shopping season. The main reason is that more and more sellers use the epacket package service. In particular, this year Aliexpress.com requires Chinese sellers provide tracking number to their customers, making the original use of China Post small package service seller switched to ePacket service.
In mid-December,More than 1,200 flights have been canceled as a result of mixed snow and ice storms in the northern United States and the Midwest. Many high-speed sections are temporarily closed. Resulting in the Chicago postal exchange system under the package had a great delay.The affected postal codes are as follows:
| 400-433 | 437-439 | 450-459 | 470-471 | – |
| 475-477 | 480 | 483-485 | 490-491 | |
| 493-497 | 500-529 | 533 | 536 | |
| 540 | 546-548 | 550-609 | 612 | |
| 617-619 | 621 | 624 | 632 | |
| 635 | 640-699 | 740-758 | 760-772 | |
| 785-787 | 789-799 | – | – | |
| 3P | 460-469 | 472-474 | 478-479 | – |
| 3Q | 498-499 | 530-532 | 534-535 | 537-539 |
| 541-545 | 549 | 610-611 | – | |
| 3R | 759 | 773-778 | – | – |
| 3U | 613-616 | 620 | 622-623 | 625-631 |
| 633-634 | 636-639 | – | – | |
| 3C | 434-436 | 481-482 | 486-489 | 492 |
| 3D | 779-784 | 788 | – | – |
| 3H | 440-449 | – | – | – |