The average transit times for on board courier services between major Chinese cities can vary depending on various factors such as distance, flight availability, customs procedures, and other logistical considerations. However, here is a general comparison of average transit times for some popular routes within China:
1. Beijing - Shanghai: The average transit time for on board courier services between Beijing and Shanghai is typically around 1-2 days.
2. Beijing - Guangzhou: On average, the transit time for on board courier services between Beijing and Guangzhou is around 2-3 days.
3. Shanghai - Guangzhou: The average transit time for on board courier services between Shanghai and Guangzhou is typically around 1-2 days.
4. Shanghai - Shenzhen: On average, the transit time for on board courier services between Shanghai and Shenzhen is around 1-2 days.
5. Shenzhen - Guangzhou: The average transit time for on board courier services between Shenzhen and Guangzhou is typically around 1 day.
It is important to note that these transit times are general estimates and can vary depending on specific circumstances, such as flight availability, customs clearance, and any unforeseen disruptions. When using on board courier services, it is always advisable to check with the service provider for the most accurate and up-to-date transit time information.