I don't know if these people who are no longer employees, whether they quit or were fired, and who are ALL asking about the back pay will receive it or not. But they should.
In my view, we as a union, decided to continue working past the Aug 1, 2018 expiration of our old contract in good faith, while negotiations of our new contract continued, with the understanding (negotiated I assume? and would hope if teamsters counsel isn't inept) that the terms of the new contract's pay rates would be retroactively applied from the old contract's expiration date(8/1/18) once ratification of the new one took place. These were part of the terms we as teamsters laid out as a condition of avoiding work stoppage and UPS agreed to.
These union teamster employees who separated from the company between 8/2/2018 - 4/30/2019 were part of this bargained agreement with UPS to keep working, and therefore should receive any difference in pay rate from what they were paid after the old contract expired. We agreed to work under the same terms, but that contract expired 8/1/18, and was no longer our contract anymore as of 8/2/18 forward - we were working without a contract and using the terms of the expired contract as a placeholder agreement in anticipation of the union and the company coming to terms on our current agreement. So therefore these separated employees should receive their back pay despite not being employed when the new contract was officially ratified on 5/1/19 in my opinion, and I hope for the sake of my union brothers and sisters who left UPS I'm right. They deserve it just the same as any of us who are still here.
If you want to get even more into it, the national has been agreed to for quite some time now, and one could make the argument that if some of the supplementals hadn't been holding everything up they/we would/could have had this money a while ago and/or they may even have still been in the employ of UPS at that time of the new national master agreement.
I'm not sure why it comes off that some of you are rooting for these people not to get the money. You'd swear some of you are paying them out of your own pocket and are almost taking pleasure that they may not receive it. If they don't, it's a joke, and the teamsters are a clown show.