Philadelphia to Seattle (PHL-SEA): nonstop upgrade & award space

American Airlines, Alaska Airlines, and Delta Air Lines fly nonstop between Philadelphia (PHL) and Seattle (SEA), roughly 42 times a week. American Airlines carries most of this long-haul schedule, so one carrier's release pattern decides when premium space appears, and it is rarely all at once. 2LNR tracks confirmed upgrade and award space on American Airlines, Alaska Airlines, and Delta Air Lines, on every PHL to SEA departure, so you know which flights have space before you book.

Schedule last confirmed . Departure times come from 2LNR's schedule data; confirm with the airline before you book.

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42
Nonstop flights a week
2,372 mi
Nonstop distance
Free
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Philadelphia to Seattle flight schedule

Scheduled nonstop departures for PHL to SEA, last checked against our schedule feed on September 6, 2026. Airlines retime and cancel flights, so confirm with the airline before you book.

Schedule data dated .

Scheduled nonstop departures from Philadelphia (PHL) to Seattle (SEA)
Date Flight Airline Departs PHL Arrives SEA Duration Aircraft
AS 1898Alaska Airlines, Inc.07:0009:515h 51m7M9
DL 2092Delta Air Lines07:0509:565h 51m32Q
AA 2870American Airlines08:2011:406h 20m32Q
AS 443Alaska Airlines, Inc.16:2619:306h 4m7M9
AA 1823American Airlines19:3522:576h 22m321
AS 1898Alaska Airlines, Inc.07:0009:515h 51m7M9
DL 2092Delta Air Lines07:0509:565h 51m32Q
AA 2870American Airlines08:2011:406h 20m32Q
AA 1037American Airlines17:4521:056h 20m32Q
AS 443Alaska Airlines, Inc.18:5921:515h 52m7M8
AA 1823American Airlines19:3522:576h 22m321
AS 1898Alaska Airlines, Inc.07:0009:515h 51m73J
AS 370Alaska Airlines, Inc.07:0009:515h 51m73J
DL 2092Delta Air Lines07:0509:565h 51m32Q
AA 2870American Airlines08:2011:406h 20m32Q
AS 443Alaska Airlines, Inc.16:2619:306h 4m7M9
AA 1037American Airlines17:4521:056h 20m32Q
AA 1823American Airlines19:3522:576h 22m321
AS 1898Alaska Airlines, Inc.07:0009:515h 51m7M9
AS 370Alaska Airlines, Inc.07:0009:515h 51m7M9
DL 2092Delta Air Lines07:0509:565h 51m32Q
AA 2870American Airlines08:2011:406h 20m32Q
AS 443Alaska Airlines, Inc.16:2619:306h 4m7M9
AA 1823American Airlines19:3522:576h 22m321
AS 1898Alaska Airlines, Inc.07:0009:515h 51m7M9
AS 370Alaska Airlines, Inc.07:0009:515h 51m7M9
DL 2092Delta Air Lines07:0510:045h 59m32Q
AA 2870American Airlines08:2011:406h 20m32Q
AS 443Alaska Airlines, Inc.16:2619:306h 4m7M9
AA 1037American Airlines17:4521:056h 20m32Q
AA 1823American Airlines19:3522:576h 22m321
AS 370Alaska Airlines, Inc.07:0009:515h 51m7M9
DL 2092Delta Air Lines07:0509:565h 51m32Q
AA 2870American Airlines08:2011:406h 20m32Q
AS 443Alaska Airlines, Inc.16:2619:306h 4m7M9
AA 1037American Airlines17:4521:056h 20m32Q
AA 1823American Airlines19:3522:576h 22m321
AS 1898Alaska Airlines, Inc.07:0009:515h 51m7M9
AS 370Alaska Airlines, Inc.07:0009:515h 51m7M9
DL 2092Delta Air Lines07:0509:565h 51m32Q

Showing the first 40 of 43 scheduled PHL to SEA departures across the next 7 days with service. Every remaining date is on the interactive map.

Departure and arrival times are local at their own airport, so an arrival can fall on a different local date than the departure; the duration column is the true elapsed flying time. A dash means the airline has not filed that value in the schedule data we hold. Aircraft are IATA equipment codes as filed, and can change up to departure.

See every PHL to SEA date on the interactive map

Confirmed upgrade & award space on PHL to SEA departures

2LNR tracks confirmed upgrade and award space on American Airlines, Alaska Airlines, and Delta Air Lines, segment by segment and date by date. Open the calendar for Philadelphia to Seattle to see which departures have space, the next 14 days free on every product and the full horizon on Pro.

See real availability

Confirmed upgrade and award seats on each PHL to SEA departure, checked against live inventory so you know what is open before you book.

Set an alert

Premium inventory turns over fast. Watch this route and 2LNR notifies you when space appears on a date you are tracking.

Plan on the map

See PHL to SEA on the interactive route map, with schedules, connections, and route statistics.

Airlines flying Philadelphia to Seattle nonstop

Carriers operating PHL to SEA nonstop in the current schedule. 2LNR tracks confirmed upgrade and award space on each of them.

See PHL to SEA on the interactive map →

Frequently asked questions about PHL to SEA

How far is Seattle from Philadelphia?
PHL to SEA covers about 2,372 miles nonstop. Flight times vary by aircraft and season; the schedule table on this page lists each scheduled departure with its own times.
Which airlines fly nonstop from PHL to SEA?
American Airlines, Alaska Airlines, and Delta Air Lines fly the route nonstop. 2LNR tracks confirmed upgrade and award space on American Airlines, Alaska Airlines, and Delta Air Lines.
How many flights a week are there from PHL to SEA?
About 42 nonstop flights a week run between Philadelphia and Seattle in the current schedule, operated by American Airlines, Alaska Airlines, and Delta Air Lines. Frequency shifts by season, and the schedule table on this page shows what is scheduled next.
What time do flights from PHL to SEA depart?
Scheduled PHL to SEA nonstops in the next 7 days with service leave between 07:00 and 19:35, local time at Philadelphia. The schedule table on this page lists every departure by date, with its arrival time and aircraft.
How do I check upgrade or award availability on PHL to SEA?
Open the PHL to SEA route on the interactive map or the matrix to see confirmed upgrade and award space by date on American Airlines, Alaska Airlines, and Delta Air Lines, the next 14 days free and the full horizon on Pro. On Pro you can also set an alert on the route and 2LNR notifies you when space opens.

Never miss PHL to SEA upgrade or award space

See what is open by date on this route, the next 14 days free on every product and the full horizon on Pro.

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