China Southern Airlines filed the following additional changes for Australia and New Zealand for summer 2020 season (Routes Online, 21-Feb-2020):
- Guangzhou-Adelaide: Three times weekly A330-300 service suspended from 29-Mar-2020 to 20-Jun-2020;
- Guangzhou-Auckland: Boeing 787-8 replaces 787-9 from 29-Mar-2020, operates four times weekly until 19-Jun-2020 and daily from 20-Jun-2020;
- Guangzhou-Brisbane: Daily 787-9 service suspended from 29-Mar-2020 to 19-Jun-2020;
- Guangzhou-Christchurch: Three times weekly 787-8 service suspended from 29-Mar-2020 to 20-Jun-2020;
- Guangzhou-Melbourne: A330-300 replaces A350-900 on daily CZ321/322 service from 29-Mar-2020 to 24-Oct-2020, CZ343/344 service resumes with A350-900 from 20-Jun-2020 to 24-Oct-2020, operating three times weekly;
- Guangzhou-Perth: Three times weekly A330-300 service suspended from 29-Mar-2020 to 19-Jun-2020;
- Guangzhou-Sydney: A330-300 replaces A350-900 on daily CZ325/326 service from 29-Mar-2020 to 24-Oct-2020, CZ301/302 service resumes with A350-900, operating three times weekly, from 21-Jun-2020 to 24-Oct-2020.