The best business class from Boston (BOS) to Seattle (SEA)
⇄ Flying the other way? Seattle (SEA) to Boston (BOS)
Welcome to the Super Schedule™. This page focuses on the best Business Class seats from Boston (BOS) to Seattle (SEA) over the next 120 days — 17 flights. There are 2 airlines that offer Business Class on direct flights: Alaska Airlines, Delta Air Lines. If you'd like to see other classes of service, choose them here:
What the seat tiers mean
TopAmong the best seats sold in this class, on any airline
MiddleThe broad middle of the class
BottomBelow what the class typically offers
Tiers are absolute — Top clears the same bar on every route and every airline, so several airlines can honestly tie. Pitch here is measured from our to-scale drawings — airline-quoted pitch may differ slightly.
What the seat types are
Private suiteLie-flat with a closing door
Open suiteLie-flat with direct aisle access from every seat — no door
Lie-flat, N% direct aisleFlat bed; N% of the seats can reach the aisle without climbing over anyone
Angled lie-flatFlat, but tilted toward the floor
ReclinerReclines without going flat
Economy seatA standard upright seat — comfort comes down to pitch, width, and recline
Alaska Airlines
Boeing 737-990ER · 739ER ›ReclinerMiddle tier
Seat layout
2-2
Wi-Fi
10-40 Mbps
Bed length
Seat width
Seat recline
Privacy doors
Entertainment display
Seats per lavatory
Total seats
AS 45907:20Daily · Sep 1 → Dec 30
AS 53709:20Daily · Sep 1 → Dec 30
AS 21510:30Daily · Sep 1 → Dec 30
AS 46715:28Daily · Sep 1 → Sep 7
AS 47715:28Daily · Sep 1 → Sep 7
AS 30416:25Daily · Sep 1 → Oct 31
AS 28916:49Daily · Sep 1 → Oct 2
AS 28816:55Daily · Oct 3 → Oct 31
AS 25718:22Daily · Nov 1 → Dec 30
AS 30618:32Daily · Sep 1 → Dec 16
AS 38018:32Daily · Nov 20 → Dec 30
Delta Air Lines
Airbus A321-271NX · 3NE ›ReclinerBottom tier
Seat layout
2-2
Wi-Fi
10-40 Mbps
Bed length
Seat width
Seat recline
Privacy doors
Entertainment display
Seats per lavatory
Total seats
DL 38407:05Daily · Sep 1 → Dec 30
DL 95310:50Mon Tue Wed Sun · Dec 20 → Dec 30
DL 33211:00Daily · Sep 1 → Dec 18
DL 288915:30Daily · Sep 1 → Dec 18
DL 79718:30Daily · Oct 6 → Dec 30
DL 32418:35Daily · Sep 1 → Oct 5