Does the Sherpa Original Deluxe (Small) fit American Airlines?

Yes — the Sherpa Original Deluxe (Small) (15 × 10 × 8.5 in) fits American Airlines's 18 × 11 × 11 in under-seat limit, with 1" to spare on its tightest dimension.

15 × 10 × 8.5 in external · up to ~8 lb

Fits against American Airlines's 18 × 11 × 11 in limit

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15 × 10 × 8.5 in is within 18 × 11 × 11 in — 3" spare on length, 1" on width, 2.5" on height.

Last verified 2026-07-23 · matched to the published American Airlines limit. Every fit is against the published maximum; real under-seat space varies by aircraft (why).

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