The August bid month is generally the highest of the year in terms of block hours, with a significant seasonal reduction in block hours in September. As a result, SIA and SAPA have agreed to a temporary agreement for SP 2317.1.A.
Below are the new dates for the 2019 August and September bid periods:
August bid - August 1 - 30
September bid - August 31 - September 30
Temporary Policy change below:
SP.2317.1.A.
1. Bid Periods
A. Bid periods are calendar months with the exception of the following bid periods:
| Standard Exceptions | |
| January | January 1 – January 30 |
| February | January 31 – March 1 |
| March | March 2 – March 31 |
| August | August 1 – August 30 |
| September | August 31 – September 30 |
| Exceptions During a Leap Year | |
| January | January 1 – January 30 |
| February | January 31 – February 29 |
October and November bid periods are based on mainline carrier schedule changes.
