CZ3640 China Southern Airlines - Flight Status

Which is the frequency of flight CZ3640?
The flight CZ3640 is scheduled to flight on daily basis.

Which is the distance of flight CZ3640?
The distance between the two airports is 1226 kilometers.

Which is the flight time of flight CZ3640?
The scheduled flight time gate to gate is: 02:30 hours.
The real flight time gate to gate on average is: 02:24 hours.

Are the departure airport and arrival airport at the same Time Zone?
Yes, both airports are in the same timezone.

The following airline serve the same route between Nantong and Guangzhou:
Shenzhen Airlines - Flight Number: ZH8692. (On Time performance: 38 - Average Delay: 86 minutes)

We have gathered data from recent months and present below an analysis of how timely the flights have been.

Delays analyzed by Weekday: We have gathered available data from last six months, spanning from March 14, 2025 to September 13, 2025. Next, you can observe the results broken down by day of the week: number of flights analyzed, on-time performance per day, and average delay per day.

Delays analyzed by Month: We have gathered available data from last twelve closed months, spanning from September 02, 2024 to August 31, 2025. Next, you can observe the results broken down by month: number of flights analyzed, on-time performance per month, and average delay per month.