Akintunde made it five, before Glass was again the provider as former United defender Mark Connolly headed home at the back-post.
Jamie McGonigle completed the rout.
Glass already made 28 senior appearances for United, claiming two goals and two assists.
The gifted playmaker spent the second half of last season on loan with Kilmarnock, while he has thrived during previous formative stints with Airdrie and Cove Rangers.
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Dundee United prospect bags HAT-TRICK on dream debut debut following loan switch
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