| SHL Deadline | 15 Sep 2025 | 13 Apr 2026 | — |
| Agreed Historics Deadline | 02 Oct 2025 | 30 Apr 2026 | — |
| Confirmation of final coordination parameters & available capacity | 02 Oct 2025 | 30 Apr 2026 | — |
| Initial Submission Deadline | 09 Oct 2025 | 07 May 2026 | — |
| SC Event Platform customisation | 29 Oct 2025 | 20 May 2026 | — |
| SC Event Platform calendar opened to coordinators (meeting requests with airlines) | 04 Nov 2025 | 26 May 2026 | — |
| SAL Deadline | 06 Nov 2025 | 28 May 2026 | — |
| SC Event Platform calendar opened to airlines (meeting requests with coordinators) | 10 Nov 2025 | 01 Jun 2026 | — |
| IATA Slot Conference | 18-20 Nov 2025 | 9-11 Jun 2026 | — |
| Series Return Deadline (SRD) | 15 Dec 2025 | 15 Jul 2026 | — |
| Historics Baseline Date (HBD) | 31 Jan 2026 | 31 Aug 2026 | — |
| Start of season | 29 Mar 2026 | 25 Oct 2026 | — |
