| Summer 2026 SC/157 29 Mar 26 – 24 Oct 26 |
Activity |
Winter 2025 SC/156 26 Oct 25 – 28 Mar 26 |
|---|---|---|
| 15 Sep 2025 | SHL Deadline | 21 Apr 2025 |
| 02 Oct 2025 | Agreed Historics Deadline | 08 May 2025 |
| 09 Oct 2025 | Initial Submission Deadline | 15 May 2025 |
| 04 Nov 2025 | SC Event Platform calendar opened to Coordinators | 03 Jun 2025 |
| 06 Nov 2025 | SAL Deadline (no later than) | 05 Jun 2025 |
| 10 Nov 2025 | SC Event Platform calendar opened to Airlines | 09 Jun 2025 |
| 18-20 Nov 2025 | IATA Slot Conference | 17-19 Jun 2025 |
| 15 Dec 2025 | Series Return Deadline | 15 Jul 2025 |
| 31 Jan 2026 | Historics Baseline Date | 31 Aug 2025 |