Then explain why Aer Lingus isn't flying Delta flights with outsourced non-union employees, but flew United's? JV issues are Section 1 issues. That is scope, like it or not. I don't have time to pull the United scope grievance, but here's some quick Googles for you. Could this same thing happen to you at Delta or does your Scope language protect you?

"United's pilots have the contractual right to handle its flying. But one exception to this rule, negotiated during United's three-year bankruptcy, applies to joint ventures formed by United and Star Alliance partners, such as Aer Lingus."

Crews Protest United/Aer Lingus Job Outsourcing