The best economy seats from Seattle (SEA) to Boston (BOS)
⇄ Flying the other way? Boston (BOS) to Seattle (SEA)
Welcome to the Super Schedule™. This page focuses on the best Economy seats from Seattle (SEA) to Boston (BOS) over the next 120 days — 19 flights. There are 2 airlines that offer Economy 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 ›Economy seatTop tier
Seat layout
3-3
Wi-Fi
10-40 Mbps
Row pitch
Seat width
Seat recline
Premium
Entertainment display
Seats per lavatory
Total seats
AS 48206:00Daily · Sep 1 → Sep 7
AS 47606:00Daily · Sep 1 → Sep 7
AS 28807:15Daily · Oct 3 → Oct 31
AS 30608:00Daily · Sep 1 → Dec 30
AS 35708:01Daily · Sep 1 → Oct 2
AS 52408:21Daily · Dec 1 → Dec 16
AS 27908:49Daily · Nov 1 → Dec 30
AS 21709:28Daily · Sep 1 → Oct 31
AS 141410:19Wed · Sep 9 → Sep 9
AS 156815:35Daily · Dec 17 → Dec 30
AS 46015:37Daily · Sep 1 → Dec 30
AS 158415:40Daily · Nov 20 → Dec 16
AS 21423:06Daily · Sep 1 → Dec 30
AS 53623:40Daily · Sep 1 → Dec 30
Delta Air Lines
Airbus A321-271NX · 3NE ›Economy seatMiddle tier
Seat layout
3-3
Wi-Fi
10-40 Mbps
Row pitch
Seat width
Seat recline
Delta Comfort
Entertainment display
Seats per lavatory
Total seats
DL 45907:20Daily · Sep 1 → Dec 30
DL 43811:50Daily · Sep 1 → Dec 18
DL 87615:30Mon Tue Wed Sun · Dec 20 → Dec 30
DL 47415:55Daily · Sep 1 → Dec 18
DL 47322:00Daily · Sep 1 → Dec 30