^ Nice catch.
Maybe transported US military/diplomatic personnel/hardware in South Asia?
Apparent recent route of Omni Air International (OAI) Boeing 767-300ER registration N351AX as flight OY329:
Baltimore->El Paso->Hagatna->Dhaka->New Delhi->Islamabad->New Delhi.
Source:
https://www.radarbox24.com/data/registration/N351AX
Abbas