A composition comprises, based on the total weight of the composition: from 20 to 90 wt. % of a polyester component comprising a poly(butylene terephthalate); from 5 to 35 wt. % of a flame retardant phosphinate of the formula (I) [(R1)(R2)(PO)—O]−mMm+  (I) a flame retardant diphosphinate of the formula (II) [(O—POR1)(R3)(POR2—O)]2−nMm+x  (II), and/or a flame retardant polymer derived from the flame retardant phosphinate of the formula (I) or the flame retardant diphosphinate of the formula (II); from 1 to 25 wt. % of a melamine polyphosphate, melamine cyanurate, melamine pyrophosphate, and/or melamine phosphate; from greater than zero to 50 wt. % of a glass fiber having a non-circular cross-section; and from 0 to 5 wt. % of an additive selected from the group consisting of a mold release agent, an antioxidant, a thermal stabilizer, an antioxidant, and a UV stabilizer; wherein the components have a combined total weight of 100 wt. %.