| SHL Deadline |
09 September 2019 |
20 April 2020 |
14 September 2020 |
| Agreed Historics Deadline |
26 September 2019 |
07 May 2020 |
01 October 2020 |
| Confirmation of final coordination parameters and details of available capacity Deadline |
26 September 2019 |
07 May 2020 |
01 October 2020 |
| Initial Submission Deadline |
03 October 2019 |
14 May 2020 |
08 October 2020 |
| SAL Deadline |
31 October 2019 |
04 June 2020 |
05 November 2020 |
| IATA Slot Conference |
12-15 November 2019 |
Cancelled |
17-20 November 2020 |
| Slot Return Deadline (SRD) |
15 December 2019 |
15 July 2020 |
15 January 2021 |
| Historics Baseline Date (HBD) |
31 January 2020 |
31 August 2020 |
31 January 2021 |
| Start of Season |
29 March 2020 |
25 October 2020 |
27 March 2021 |
