Coordination timetable
| Season | Date | Event |
|---|---|---|
| W22 | 25 Apr. 2022 | SHL Deadline (historic slots to carriers) |
| 12 May 2022 | Agreed Historic Deadline | |
| 19 May 2022 | Submission Deadline | |
| 09 Jun. 2022 | SAL Deadline (allocated slots to carriers) | |
| 21-23 Jun. 2022 | IATA SC150 Seattle, Washington State Convention Arch Center (WSCC) |
|
| 15 Aug. 2022 | Series Return Deadline | |
| 31 Aug. 2022 | Historics Baseline Date | |
| 30 Oct. 2022 | Start of Northern Winter Season 2022 | |
| 25 Mar. 2023 | End of Northern Winter Season 2022 | |
| S23 | 12 Sep. 2022 | SHL Deadline (historic slots to carriers) |
| 29 Sep. 2022 | Agreed Historic Deadline | |
| 06 Oct. 2022 | Submission Deadline | |
| 03 Nov. 2022 | SAL Deadline (allocated slots to carriers) | |
| 15-18 Nov. 2022 | IATA SC151 Melbourne Convention Exhibition Centre, Meeting Room 107, Level 1 | |
| 15 Jan. 2023 | Series Return Deadline | |
| 31 Jan. 2023 | Historics Baseline Date | |
| 26 Mar. 2023 | Start of Northern Summer Season 2023 | |
| 28 Oct. 2023 | End of Northern Summer Season 2023 | |
| W23 | 17 Apr. 2023 | SHL Deadline (historic slots to carriers) |
| 04 May 2023 | Agreed Historic Deadline | |
| 11 May 2023 | Submission Deadline | |
| 01 Jun. 2023 | SAL Deadline (allocated slots to carriers) | |
| 13-15 Jun. 2023 | IATA SC152 Dublin Convention Centre | |
| 15 Aug. 2023 | Series Return Deadline | |
| 31 Aug. 2023 | Historics Baseline Date | |
| 29 Oct. 2023 | Start of Northern Summer Season 2023 | |
| 30 Mar. 2024 | End of Northern Summer Season 2023 | |