Slot Calendar and Process

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Calendar and Process of Coordination

 

The scheduling calendar is based, not on the civil year, but on two scheduling seasons, Summer and Winter, defined as follows:

  • IATA Summer Season - starts on the last Sunday of March and ends on the last Saturday of October
  • IATA Winter Season - starts on the last Sunday of October and ends on the last Saturday of March
For each season, predetermined steps rule the process of coordination:
 
  • Distribution of SHL (Slot Historical List)
  • Submission deadline for receiving SCR
  • Distribution of SAL (Slot Allocation List)
  • IATA Scheduling Conference
  • Slot Handback  Deadline
  • Handling of Ad-hoc flights
  • Start of Season
  • End of Season

 

Ca​lendar of activities

WINTER 2020 (W19)                                         Activities   SUMMER 2020 (S20)
22APR 2019
SHL Deadline 09SEP 2019
09MAY 2019
Agreed Historics Deadline 26SEP 2019
16MAY 2019
Initial Submission Deadline 03OCT 2019
  04JUN 2019
Appointments calendar opened to Coordinators   29OCT 2019
 06JUN 2019
SAL Deadline  31OCT 2019
10JUN 2019
Appointments calendar opened to Operators 04NOV 2019 
18-20JUN 2019
IATA Slot Conference 12-15NOV 2019
15JUL 2019
Slot Return Deadline (SRD) 15DEC 2020
31AUG 2019
Historics Baseline Date (HBD) 31JAN 2020
27OCT 2019
Start of the season 29MAR 2020