Seat Map Alaska Airlines – Horizon Air Boeing B737 900ER Seatmap key Show legendDownload PDFEmail seating mapFind the seat map you will be flying inSeating detailsClassSeatsFirst Class16Premium Class24Coach Class138Traveler photos (0) Add photos Overall rating Alaska Airlines - Horizon Air Boeing B737 900ER 1 1 3 of 5Reviews Be the first to write a review!