The humor ranges from bombastic to subtle, with dialogue delivered at an atypically rapid pace. The pilot had a Sorkin-esque feel to it, with witty banter and "blink and you'll miss it" jokes and one-liners.
Angel From Hell mostly succeeds due to two huge factors, neither of which have anything to do with wings or halos. The first is the not-insignificant personality force of Jane Lynch as Amy.... AFH’s second success factor: There’s bright, quippy dialogue here that transcends this standard sitcom.
The sitcom certainly isn't breaking new ground, but that won't stop you from laughing more than once. As a guardian angel, Amy is the worst, but as an actress, Lynch is saving the show. [8/15 Jan 2016, p.97]
Lynch can be as goofy-delightful here as in the ensembles of “Party Down” and “Glee.” But she’s all over everything, all the time, in a show that just won’t let up.
[Jane Lynch is] always worth watching. Even here, sometimes, when her angel, who goes by the name Amy, manages to wrench free from creator Tad Quill's tepid humor and take brief control of the show's narrative indecisiveness.