Identify the cabin before comparing seats
Start with the operating airline, exact aircraft variant and seat count shown for your flight. A model name by itself can leave several cabin versions to compare. Use the airline booking view to check which version applies before relying on a seat number.
For example, ANA describes a 194-seat A321 with a mixture of full and partial Economy rows. Counting six seats in every numbered row would create positions that are absent from its plan. Match the actual row and seat letter, rather than multiplying a row count.
Make a shortlist around your priorities
Choose what you want to improve first: an outside view, easy aisle access, or sitting with a companion. Mark two or three suitable positions, then compare the individual seat notes. A location that suits a solo passenger may be inconvenient for a group.
Read a window warning literally. ANA identifies 17A and 24K on this A321 plan as positions without a window. A seat beside the fuselage does not establish a view, and the illustrated window pattern on a schematic is less reliable than an explicit airline annotation.
Separate legroom from exit eligibility
Review the operating airline’s exit-row requirements before choosing an exit position. JetBlue requires passengers in these seats to be willing and able to help during an evacuation; its airport crew makes the final seating decision. A paid seat reservation does not replace that assessment.
Keep the final decision tied to your booking. Check the current seat-selection screen again after an equipment change and keep an alternative location in mind. Our diagrams help compare the recorded cabin; the operating airline controls the assignment.
Related seat maps and directories
Official sources
- ANA 194-seat A321 seatmap information — Retrieved October 31, 2026
- JetBlue exit-row requirements — Retrieved October 31, 2026