CZ303 China Southern Airlines - Flight Status
Below, you can find details about China Southern Airlines flight CZ303, which currently operates between the airports of Guangzhou - Guangzhou Baiyun International Airport (Airport Code CAN) and London - London Heathrow Airport (Airport Code LHR).
This flight data pertains specifically to the flight's details for Saturday, May 16, 2026.
Table of contents:
Flight Status Codeshare Flights Additional Information Alternative Flights Punctuality and delays Last Past Flights CZ303
Flight Status Codeshare Flights Additional Information Alternative Flights Punctuality and delays Last Past Flights CZ303
CZ303 On Time performance:
78
We have calculated the percentage of flights that arrived within 15 minutes of their scheduled time, or earlier, based on real flight data from the last 3 months. More about punctuality and delays Flight Status
CZ303 China Southern Airlines to London
En Route - On-time
Flight Status for Saturday May 16, 2026
En Route - On-time
Flight Status for Saturday May 16, 2026
Airline information
China Southern Airlines
Equipment: Boeing 777-300ER
Departure
Guangzhou (CAN)
May 16, 2026
Guangzhou Baiyun International Airport
Departed at:
13:33
Terminal:
2
Gate:
A173
Scheduled Departure Time: 13:40
Arrival
London (LHR)
May 16, 2026
London Heathrow Airport
Estimated Arrival Time:
19:05
Terminal:
4
Gate:
-
Scheduled Arrival Time: 19:20
Disclaimer
The information displayed on this website is gathered from third-party providers with a wide reputation on the sector, which in turn obtain the information from the airlines. This data is provided only for informative purposes. www.airport-guangzhou.com assumes no responsibility for loss or damage as a result of relying on information posted here. Please contact your airline to verify flight status.
Codeshare Flights
This flight is shared with other airlines, this means that these other flights are the same:
- 3U7103 - Sichuan Airlines
Additional Information
Which is the frequency of flight CZ303?
The flight CZ303 is scheduled to flight on daily basis.
Which is the distance of flight CZ303?
The distance between the two airports is 9498 kilometers.
Which is the flight time of flight CZ303?
The scheduled flight time gate to gate is: 12:40 hours.
The real flight time gate to gate on average is: 12:19 hours.
Are the departure airport and arrival airport at the same Time Zone?
No, each airport is in a different timezone. The times shown above, are presented in the local time of each respective airport.
Current Time in Guangzhou: 2026-05-16 18:28:45
Current Time in London: 2026-05-16 11:28:45
The flight CZ303 is scheduled to flight on daily basis.
Which is the distance of flight CZ303?
The distance between the two airports is 9498 kilometers.
Which is the flight time of flight CZ303?
The scheduled flight time gate to gate is: 12:40 hours.
The real flight time gate to gate on average is: 12:19 hours.
Are the departure airport and arrival airport at the same Time Zone?
No, each airport is in a different timezone. The times shown above, are presented in the local time of each respective airport.
Current Time in Guangzhou: 2026-05-16 18:28:45
Current Time in London: 2026-05-16 11:28:45
Alternative Flights
China Southern Airlines is the only airline operating the route from Guangzhou to London.
Punctuality and delays
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 November 14, 2025 to May 13, 2026. 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 May 02, 2025 to April 30, 2026. Next, you can observe the results broken down by month: number of flights analyzed, on-time performance per month, and average delay per month.
In terms of On-Time Performance, by analyzing the flight data from the last three months, spanning from February 14, 2026 to May 13, 2026, we have obtained these figures.
Total number of flights: 89
On Time: 69 ( 78 % )
Moderate Delay: 12 ( 13 % )
Significant Delay: 6 ( 7 % )
Major Delay: 2 ( 2 % )
Canceled: 0 ( 0 % )
Diverted: 0 ( 0 % )
Average Delay: 9 minutes.
Total number of flights: 89
On Time: 69 ( 78 % )
Moderate Delay: 12 ( 13 % )
Significant Delay: 6 ( 7 % )
Major Delay: 2 ( 2 % )
Canceled: 0 ( 0 % )
Diverted: 0 ( 0 % )
Average Delay: 9 minutes.
Last Past Flights CZ303
Date
Departure
Arrival
Duration
Aircraft
Status
Friday
15 May
15 May
13:34
Guangzhou (CAN)
Guangzhou (CAN)
19:08
London (LHR)
London (LHR)
12h 34min
Boeing 777-300
Boeing 777-300
Landed - On-time
Thursday
14 May
14 May
14:14
Guangzhou (CAN)
Guangzhou (CAN)
19:58
London (LHR)
London (LHR)
12h 44min
Boeing 787-9
Boeing 787-9
Landed - Delayed
Wednesday
13 May
13 May
13:37
Guangzhou (CAN)
Guangzhou (CAN)
19:57
London (LHR)
London (LHR)
13h 20min
Boeing 777-300
Boeing 777-300
Landed - Delayed
Tuesday
12 May
12 May
13:31
Guangzhou (CAN)
Guangzhou (CAN)
19:07
London (LHR)
London (LHR)
12h 36min
Boeing 787-9
Boeing 787-9
Landed - On-time
Monday
11 May
11 May
13:32
Guangzhou (CAN)
Guangzhou (CAN)
19:28
London (LHR)
London (LHR)
12h 56min
Boeing 777-300
Boeing 777-300
Landed - On-time
Sunday
10 May
10 May
13:45
Guangzhou (CAN)
Guangzhou (CAN)
19:31
London (LHR)
London (LHR)
12h 46min
Boeing 787-9
Boeing 787-9
Landed - On-time
Saturday
09 May
09 May
13:36
Guangzhou (CAN)
Guangzhou (CAN)
19:21
London (LHR)
London (LHR)
12h 45min
Boeing 777-300
Boeing 777-300
Landed - On-time
Friday
08 May
08 May
13:41
Guangzhou (CAN)
Guangzhou (CAN)
19:46
London (LHR)
London (LHR)
13h 05min
Boeing 777-300
Boeing 777-300
Landed - Delayed
Thursday
07 May
07 May
13:32
Guangzhou (CAN)
Guangzhou (CAN)
19:37
London (LHR)
London (LHR)
13h 05min
Boeing 787-9
Boeing 787-9
Landed - Delayed
Wednesday
06 May
06 May
13:41
Guangzhou (CAN)
Guangzhou (CAN)
19:43
London (LHR)
London (LHR)
13h 02min
Boeing 777-300
Boeing 777-300
Landed - Delayed