Compare Delta Air Lines seat maps

Compare available configurations side by side. Enter a seat such as 12A to see whether that position exists in both layouts and how its cabin, position, and warnings differ.

First configurationSecond configurationSeat (optional)

Measure	Boeing 737-900ER	Airbus A321
Total seats	180	191
Cabin split	20F · 160Y	20F · 171Y
Row span	rows 1–37	rows 1–39
Geometry	Per-seat geometry	Per-seat geometry
Layout updated	2026-08-12	2026-08-12

Cabin-by-cabin comparison

Boeing 737-900ER

First Class20 seats · 2-2 layout
Economy160 seats · 3-3 layout · 31" pitch · 17.3" wide

Airbus A321

First Class20 seats · 2-2 layout · 37" pitch · 21" wide
Main Cabin171 seats · 3-3 layout · 31-34" pitch · 18" wide

Always confirm the total seats, cabin split, and row range against your booking screen. Airlines can swap aircraft or configurations before departure.