Alaska Airlines

ASA370 / AS370

ICAO: ASA370 IATA: AS370

Click here to see all flights

Flight schedule

Select flight date

Departure

Arrive

Aircraft

Effective

Avalibility

07:02

Philadelphia (PHL) TD

09:55

Seattle (SEA)

Boeing 737-800 (winglets) Passenger/BBJ2

Begins

2026-10-03

Valid to

2026-10-06

sun

mon

tue

wed

thu

fri

sat

Tuesdays and Saturdays

Alaska Airlines

ASA370

Duration

5h 53m

Distance

2385 mi, 3837 km

Coreshare

QR 2063

Same day flight

Yes

Terminal

Departure: TD

Meals

Onboard services

Entertainment on-demand, In-seat power source, Wi-Fi

Seats

160

Business

Economy

142

07:02

Philadelphia (PHL) TD

09:55

Seattle (SEA)

Boeing 737-900 (winglets) Passenger/BBJ3

Begins

2026-10-04

Valid to

2026-10-30

sun

mon

tue

wed

thu

fri

sat

Fridays and Sundays

Alaska Airlines

ASA370

Duration

5h 53m

Distance

2385 mi, 3837 km

Coreshare

QR 2010

Same day flight

Yes

Terminal

Departure: TD

Meals

Onboard services

Entertainment on-demand, In-seat power source, Wi-Fi

Seats

165

First class

Economy

150

07:02

Philadelphia (PHL) TD

09:55

Seattle (SEA)

Boeing 737-900 (winglets) Passenger/BBJ3

Begins

2026-10-05

Valid to

2026-10-19

sun

mon

tue

wed

thu

fri

sat

Every Monday

Alaska Airlines

ASA370

Duration

5h 53m

Distance

2385 mi, 3837 km

Coreshare

QR 2040

Same day flight

Yes

Terminal

Departure: TD

Meals

Onboard services

Entertainment on-demand, In-seat power source, Wi-Fi

Seats

165

First class

Economy

150

07:02

Philadelphia (PHL) TD

09:55

Seattle (SEA)

Boeing 737MAX 9 Passenger

Operates only

2026-10-07

sun

mon

tue

wed

thu

fri

sat

Every Wednesday

Alaska Airlines

ASA370

Duration

5h 53m

Distance

2385 mi, 3837 km

Coreshare

QR 2013

Same day flight

Yes

Terminal

Departure: TD

Meals

Onboard services

Entertainment on-demand, In-seat power source, Wi-Fi

Seats

178

First class

Economy

162

07:02

Philadelphia (PHL) TD

09:55

Seattle (SEA)

Boeing 737-900 (winglets) Passenger/BBJ3

Begins

2026-10-08

Valid to

2026-10-10

sun

mon

tue

wed

thu

fri

sat

Thursdays and Saturdays

Alaska Airlines

ASA370

Duration

5h 53m

Distance

2385 mi, 3837 km

Coreshare

QR 2020

Same day flight

Yes

Terminal

Departure: TD

Meals

Onboard services

Entertainment on-demand, In-seat power source, Wi-Fi

Seats

165

First class

Economy

150

07:02

Philadelphia (PHL) TD

09:55

Seattle (SEA)

Boeing 737-800 (winglets) Passenger/BBJ2

Operates only

2026-10-13

sun

mon

tue

wed

thu

fri

sat

Every Tuesday

Alaska Airlines

ASA370

Duration

5h 53m

Distance

2385 mi, 3837 km

Coreshare

QR 2056

Same day flight

Yes

Terminal

Departure: TD

Meals

Onboard services

Entertainment on-demand, In-seat power source, Wi-Fi

Seats

160

Business

Economy

142

07:02

Philadelphia (PHL) TD

09:55

Seattle (SEA)

Boeing 737-900 (winglets) Passenger/BBJ3

Operates only

2026-10-14

sun

mon

tue

wed

thu

fri

sat

Every Wednesday

Alaska Airlines

ASA370

Duration

5h 53m

Distance

2385 mi, 3837 km

Coreshare

QR 2013

Same day flight

Yes

Terminal

Departure: TD

Meals

Onboard services

Entertainment on-demand, In-seat power source, Wi-Fi

Seats

165

First class

Economy

150

07:02

Philadelphia (PHL) TD

09:55

Seattle (SEA)

Boeing 737-800 (winglets) Passenger/BBJ2

Begins

2026-10-15

Valid to

2026-10-22

sun

mon

tue

wed

thu

fri

sat

Every Thursday

Alaska Airlines

ASA370

Duration

5h 53m

Distance

2385 mi, 3837 km

Coreshare

QR 2020

Same day flight

Yes

Terminal

Departure: TD

Meals

Onboard services

Entertainment on-demand, In-seat power source, Wi-Fi

Seats

160

Business

Economy

142

07:02

Philadelphia (PHL) TD

09:55

Seattle (SEA)

Boeing 737-800 (winglets) Passenger/BBJ2

Begins

2026-10-17

Valid to

2026-10-20

sun

mon

tue

wed

thu

fri

sat

Tuesdays and Saturdays

Alaska Airlines

ASA370

Duration

5h 53m

Distance

2385 mi, 3837 km

Coreshare

QR 2063

Same day flight

Yes

Terminal

Departure: TD

Meals

Onboard services

Entertainment on-demand, In-seat power source, Wi-Fi

Seats

160

Business

Economy

142

07:02

Philadelphia (PHL) TD

09:55

Seattle (SEA)

Boeing 737MAX 9 Passenger

Operates only

2026-10-21

sun

mon

tue

wed

thu

fri

sat

Every Wednesday

Alaska Airlines

ASA370

Duration

5h 53m

Distance

2385 mi, 3837 km

Coreshare

QR 2013

Same day flight

Yes

Terminal

Departure: TD

Meals

Onboard services

Entertainment on-demand, In-seat power source, Wi-Fi

Seats

178

First class

Economy

162

07:02

Philadelphia (PHL) TD

09:55

Seattle (SEA)

Boeing 737-800 (winglets) Passenger/BBJ2

Operates only

2026-10-24

sun

mon

tue

wed

thu

fri

sat

Every Saturday

Alaska Airlines

ASA370

Duration

5h 53m

Distance

2385 mi, 3837 km

Coreshare

QR 2102

Same day flight

Yes

Terminal

Departure: TD

Meals

Onboard services

Entertainment on-demand, In-seat power source, Wi-Fi

Seats

160

Business

Economy

142

07:02

Philadelphia (PHL) TD

09:55

Seattle (SEA)

Boeing 737-900 (winglets) Passenger/BBJ3

Begins

2026-10-26

Valid to

2026-10-27

sun

mon

tue

wed

thu

fri

sat

Mondays and Tuesdays

Alaska Airlines

ASA370

Duration

5h 53m

Distance

2385 mi, 3837 km

Coreshare

QR 2025

Same day flight

Yes

Terminal

Departure: TD

Meals

Onboard services

Entertainment on-demand, In-seat power source, Wi-Fi

Seats

165

First class

Economy

150

07:02

Philadelphia (PHL) TD

09:55

Seattle (SEA)

Boeing 737MAX 9 Passenger

Operates only

2026-10-28

sun

mon

tue

wed

thu

fri

sat

Every Wednesday

Alaska Airlines

ASA370

Duration

5h 53m

Distance

2385 mi, 3837 km

Coreshare

QR 2010

Same day flight

Yes

Terminal

Departure: TD

Meals

Onboard services

Entertainment on-demand, In-seat power source, Wi-Fi

Seats

178

First class

Economy

162

07:02

Philadelphia (PHL) TD

09:55

Seattle (SEA)

Boeing 737-800 (winglets) Passenger/BBJ2

Operates only

2026-10-29

sun

mon

tue

wed

thu

fri

sat

Every Thursday

Alaska Airlines

ASA370

Duration

5h 53m

Distance

2385 mi, 3837 km

Coreshare

QR 2020

Same day flight

Yes

Terminal

Departure: TD

Meals

Onboard services

Entertainment on-demand, In-seat power source, Wi-Fi

Seats

160

Business

Economy

142

07:02

Philadelphia (PHL) TD

09:55

Seattle (SEA)

Boeing 737-900 (winglets) Passenger/BBJ3

Operates only

2026-10-31

sun

mon

tue

wed

thu

fri

sat

Every Saturday

Alaska Airlines

ASA370

Duration

5h 53m

Distance

2385 mi, 3837 km

Coreshare

QR 2119

Same day flight

Yes

Terminal

Departure: TD

Meals

Onboard services

Entertainment on-demand, In-seat power source, Wi-Fi

Seats

165

First class

Economy

150

07:00

Philadelphia (PHL) TD

10:08

Seattle (SEA)

Boeing 737-900 (winglets) Passenger/BBJ3

Begins

2026-11-01

Valid to

2026-11-19

sun

mon

tue

wed

thu

fri

sat

Every weekday

Alaska Airlines

ASA370

Duration

6h 08m

Distance

2385 mi, 3837 km

Coreshare

QR 2169

Same day flight

Yes

Terminal

Departure: TD

Meals

Onboard services

Wi-Fi

Seats

165

First class

Economy

150

07:00

Philadelphia (PHL) TD

10:07

Seattle (SEA)

Boeing 737-900 (winglets) Passenger/BBJ3

Begins

2026-11-20

Valid to

2026-11-25

sun

mon

tue

wed

thu

fri

sat

Wednesdays and Fridays

Alaska Airlines

ASA370

Duration

6h 07m

Distance

2385 mi, 3837 km

Coreshare

QR 8791

Same day flight

Yes

Terminal

Departure: TD

Meals

Onboard services

Wi-Fi

Seats

165

First class

Economy

150

07:00

Philadelphia (PHL) TD

10:07

Seattle (SEA)

Boeing 737-900 (winglets) Passenger/BBJ3

Begins

2026-11-21

Valid to

2026-11-30

sun

mon

tue

wed

thu

fri

sat

Every Monday, Saturday and Sunday

Alaska Airlines

ASA370

Duration

6h 07m

Distance

2385 mi, 3837 km

Coreshare

QR 8799

Same day flight

Yes

Terminal

Departure: TD

Meals

Onboard services

Wi-Fi

Seats

165

First class

Economy

150

07:00

Philadelphia (PHL) TD

10:07

Seattle (SEA)

Boeing 737-900 (winglets) Passenger/BBJ3

Begins

2026-11-24

Valid to

2026-11-26

sun

mon

tue

wed

thu

fri

sat

Tuesdays and Thursdays

Alaska Airlines

ASA370

Duration

6h 07m

Distance

2385 mi, 3837 km

Coreshare

QR 8806

Same day flight

Yes

Terminal

Departure: TD

Meals

Onboard services

Wi-Fi

Seats

165

First class

Economy

150

18:07

Spokane (GEG)

19:22

Seattle (SEA)

Boeing 737-900 (winglets) Passenger/BBJ3

Begins

2026-12-01

Valid to

2026-12-15

sun

mon

tue

wed

thu

fri

sat

Every weekday

Alaska Airlines

ASA370

Duration

1h 15m

Distance

224 mi, 360 km

Coreshare

JX 7087 /QR 8799

Same day flight

Yes

Terminal

Meals

Onboard services

Wi-Fi

Seats

165

First class

Economy

150

18:07

Spokane (GEG)

19:22

Seattle (SEA)

Boeing 737-900 (winglets) Passenger/BBJ3

Operates only

2026-12-16

sun

mon

tue

wed

thu

fri

sat

Every Wednesday

Alaska Airlines

ASA370

Duration

1h 15m

Distance

224 mi, 360 km

Coreshare

JX 7087

Same day flight

Yes

Terminal

Meals

Onboard services

Wi-Fi

Seats

165

First class

Economy

150

07:01

Philadelphia (PHL) TD

10:28

Seattle (SEA)

Boeing 737-900 (winglets) Passenger/BBJ3

Begins

2026-12-17

Valid to

2027-01-03

sun

mon

tue

wed

thu

fri

sat

Every day of the week except Mondays

Alaska Airlines

ASA370

Duration

6h 27m

Distance

2385 mi, 3837 km

Coreshare

QR 3411

Same day flight

Yes

Terminal

Departure: TD

Meals

Onboard services

Wi-Fi

Seats

165

First class

Economy

150

07:01

Philadelphia (PHL) TD

10:28

Seattle (SEA)

Boeing 737-900 (winglets) Passenger/BBJ3

Begins

2026-12-21

Valid to

2026-12-28

sun

mon

tue

wed

thu

fri

sat

Every Monday

Alaska Airlines

ASA370

Duration

6h 27m

Distance

2385 mi, 3837 km

Coreshare

QR 8823

Same day flight

Yes

Terminal

Departure: TD

Meals

Onboard services

Wi-Fi

Seats

165

First class

Economy

150

07:01

Philadelphia (PHL) TD

10:28

Seattle (SEA)

Boeing 737-900 (winglets) Passenger/BBJ3

Operates only

2027-01-04

sun

mon

tue

wed

thu

fri

sat

Every Monday

Alaska Airlines

ASA370

Duration

6h 27m

Distance

2385 mi, 3837 km

Coreshare

QR 8867

Same day flight

Yes

Terminal

Departure: TD

Meals

Onboard services

Wi-Fi

Seats

165

First class

Economy

150

18:07

Spokane (GEG)

19:22

Seattle (SEA)

Boeing 737-900 (winglets) Passenger/BBJ3

Begins

2027-01-05

Valid to

2027-03-13

sun

mon

tue

wed

thu

fri

sat

Every weekday

Alaska Airlines

ASA370

Duration

1h 15m

Distance

224 mi, 360 km

Coreshare

JX 7087 /QR 8799

Same day flight

Yes

Terminal

Meals

Onboard services

Wi-Fi

Seats

165

First class

Economy

150

18:07

Spokane (GEG)

19:22

Seattle (SEA)

Boeing 737-900 (winglets) Passenger/BBJ3

Begins

2027-03-14

Valid to

2027-03-16

sun

mon

tue

wed

thu

fri

sat

Every Monday, Tuesday and Sunday

Alaska Airlines

ASA370

Duration

1h 15m

Distance

224 mi, 360 km

Coreshare

JX 7087 /QR 8799

Same day flight

Yes

Terminal

Meals

Onboard services

Wi-Fi

Seats

165

First class

Economy

150

Loading flight status...

General route info

Frequency:

Daily

Sun Mon Tue Wed Thu Fri Sat

Direct distance

223 miles, 358 km

Actual distance

224 miles, 360 km

0.45%

Flight time

1h 15m

Flights / Week

14 flights

Seats / Week

165 seats/flight

2310 seats/week

Upcoming scheduled flights in the coming 30 days

Date

Time

From

To

Aircraft

Status

ASA370 information

A domestic route in USA departing from Spokane (GEG) and arriving at Seattle (SEA).

The timezones of the departure and arrival airports are identical, UTC -7.

The flight distance is 224 miles, or 360 km.

For direct flights, the flight time is about 1:15.

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Other flights between Philadelphia and Seattle with Alaska Airlines

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Alaska Airlines

ASA370 / AS370

Flight schedule

General route info

Frequency:

Direct distance

Actual distance

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Upcoming scheduled flights in the coming 30 days

ASA370 information

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Other flights between Philadelphia and Seattle with Alaska Airlines

Popular Airports

Popular Airlines

Alaska Airlines

ASA370 / AS370

Flight schedule

General route info

Frequency:

Direct distance

Actual distance

Flight time

Flights / Week

Seats / Week

Upcoming scheduled flights in the coming 30 days

ASA370 information

Philadelphia (PHL) Flight Deals

Philadelphia Hotel Deals

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Other flights between Philadelphia and Seattle with Alaska Airlines

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