CBA Implementation
Reserves Use of TTS/UBL Implementation Countdown:
(April 1, 2026)
| Upcoming CBA Targeted Implementation Dates | ||
|---|---|---|
| CBA Section | Effective Date | |
| 10.F.1.f | UBL Trip Improvement (originating same day) | Date of Signing + 12 months |
| 10.E.5 | TTS/UBL will provide an electronic means for Reserves to conduct TTS/UBL transactions on days off | Date of Signing + 18 months |
| 10.F.1.h | Less Than Minimum Call-out UBL for Lineholders | Date of Signing + 24 months |
| 10.F.1.g | Out of Base UBL for Lineholders and Reserves | Date of Signing + 24 months |
| 10.E.3.i | An exception to the TTS daily limit for transactions which improves a more negative day | Date of Signing + 30 months |
| 10.E.1.e | Add multiple sequences (2) in a transaction conditional on dropping a sequence in TTS | Date of Signing + 36 months |
Implementation Videos
Implementation Timeline Letter of Agreement
Hotlines
11.10.25 – Contract Implementation Update #46: Block of Reserve Days Off
A new bidding property for Reserves is ready for implementation! Block of Reserve Days Off (CBA 10.D.13.d.46)Â Â allows a Reserve Flight Attendant to bid for a block of days off, regardless of where this block would fall in the month.
10.01.25 – Our Fight, Our Win: Pay Raises, Reserve Improvements and Transparency
Today marks a major milestone in our Contract implementation, with several important improvements taking effect today. From wage raises, per diem, sit rig and hotel penalty pay, to new protections and scheduling enhancements, these gains were not automatic
9.30.25 – Contract Implementation Update #45: Enhanced Standby Transparency!/Notifications after RAP Starts
Flight Attendants have consistently called for greater Reserve transparency, and today we’re making a significant advancement. Beginning October 1, a new Standby Callout Report will be available after ROTA runs.
9.30.25 – Contract Implementation Update #44: Increased UBL Transparency Starts Today!
In this update, we will cover: 10.F.2.c and 12.J.1 – New UBL Report (Open Time Distribution and Transferred trips); 10.F.4.b  – UBL Auto Runs to 1900
9.29.25 – Contract Implementation Update #43: UBL Trip Improvement Returns! (10.F.1.f)
Beginning tomorrow, UBL will begin processing same-day origination trades for the next day up until 1500 HBT. You will be able to trade your sequence for the next day for any other sequence originating on the same day as long as it is the same number of days or greater.
9.26.25 – Contract Implementation Update #42: Implementation Updates to CBA Section 10: Scheduling
In this update, we will cover: 10.G.2.j – ETB Sequences on Pay Protected Days; 10.J.11.b – Sequence Cancellation Within 3 Hours of Report; 10.P.2 – Last Live Leg ECS
9.25.25 – Contract Implementation Update #41: Voluntary Extension (VE)
In this update, we will cover: Changes in VE Pay and Duty Limits for Domestic and NIPD Duty Periods; Using ECS to Accept or Decline Voluntary Extension (VE)Â
9.19.25 – Contract Implementation Update #40.1: October 2025 Reserve Updates Part I
In this update, we will cover: 10.L.6 Reserve Last Sequence / Last Series Protections; 10.G.4.e Reserve ETB Release Time Changes; 12.C.2.c Reserve Trading Days Off in TTS; What’s Coming in Part II?
A new bidding property for Reserves is ready for implementation! Block of Reserve Days Off (CBA 10.D.13.d.46)Â Â allows a Reserve Flight Attendant to bid for a block of days off, regardless of where this block would fall in the month.
Today marks a major milestone in our Contract implementation, with several important improvements taking effect today. From wage raises, per diem, sit rig and hotel penalty pay, to new protections and scheduling enhancements, these gains were not automatic
Flight Attendants have consistently called for greater Reserve transparency, and today we’re making a significant advancement. Beginning October 1, a new Standby Callout Report will be available after ROTA runs.
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