| W26 |
13APR2026 |
Historic slots distributed by coordinators (SHL deadline) |
| |
30APR2026 |
Agreed Historics Deadline |
| |
07MAY2026 |
Initial Submission Deadline |
| |
28MAY2026 |
Initial Slot Allocation distributed to airlines (SAL deadline) |
| |
09JUN2026 |
IATA Slot Conference 158 Bangkok, Thailand (until 11 June) |
| |
15JUL2026 |
Series Return Deadline |
| |
31AUG2026 |
Historics Baseline Date (start of "80/20 usage" calculation) |
| |
25OCT2026 |
Start of Northern Winter Season 2026 |
| |
27MAR2027 |
End of Northern Winter Season 2026 |
| |
|
|
| S26 |
15SEP2025 |
Historic slots distributed by coordinators (SHL deadline) |
| |
02OCT2025 |
Agreed Historics Deadline |
| |
09OCT2025 |
Initial Submission Deadline |
| |
06NOV2025 |
Initial Slot Allocation distributed to airlines (SAL deadline) |
| |
18NOV2025 |
IATA Slot Conference 157 Lisbon, Portugal (until 20 November) |
| |
15DEC2025 |
Series Return Deadline |
| |
31JAN2026 |
Historics Baseline Date (start of "80/20 usage" calculation) |
| |
29MAR2026 |
Start of Northern Summer Season 2026 |
| |
24OCT2026 |
End of Northern Summer Season 2026 |
