Dear KATRIN O.,
Thanks for your order and we are sorry for the inconvenience caused.
Tracking # 09901586281000 under the order # 54494198 is correct.
Your order 54494198 was shipped by Priority Air Mail on 2018/10/8.
Generally, after the sender ships your package, it will be processed by the carrier, then they scan and enter the tracking information. There might be a delay between these scanning events and tracking availability in their system. Usually it takes a few days for processing, therefore the tracking information may not appear online immediately, please try to track again later.
And the delivery time depends on the countries and the shipping methods. Please kindly check the below link. https://www.newchic.com/shipping-methods-hc160
Also, you can find more details in your Newchic account - "View Order" - "My Order" - "Order Tracking".
On rare occasions it may take longer than this, please contact us if it has not arrived within the estimated time. https://www.newchic.com/Contact-Us-hc10.html
We hope you get your order soon. Thanks in advance.