Flights operate between Seattle (SEA) and Philadelphia (PHL).
1 airline operates this route with 1-3 flights daily flights.
Average flight time is 4h 55m - 6h 15m.
Route distance is 2385 miles (3837 km).
Route Distance
2385 miles (3837 km)
Average Duration
4h 55m - 6h 15m
Airlines Operating This Route
Alaska Airlines
Flight Frequency
Daily Flights
1-3 flights
Weekly Flights
23
Typical Departure Time Ranges
Earliest Departure
09:13
Latest Departure
21:36
Route Intelligence Dashboard
Overall Connectivity Score
60
GoodRoute Diversity
1
Direct Routes
Alaska Airlines serves 1 destination from SEA
Weekly Frequency
14
Weekly Flights
Trend: Stable
Top 1 Most Frequent Routes - Details
| Route | Weekly Flights | Duration | Distance | Reliability |
|---|---|---|---|---|
| SEA → Philadelphia (PHL) (PHL) | 14/week | 4h 55m - 6h 15m | 2,385 km | Moderate |
Flight Schedule & Filters
Alaska Airlines flights from SeaTac (SEA) to Philadelphia (PHL)
Alaska Airlines operates scheduled nonstop flights between SeaTac (SEA) and Philadelphia (PHL). Alaska Airlines operates 1-3 flights daily flights on this route.• Flight Duration: 4h 55m - 6h 15m (average flight time)• Distance: 2385 miles (3837 km) (air miles between airports)• Daily Flights: 1-3 flights (scheduled departures per day)
SeaTac (SEA)
US
Philadelphia (PHL)
US
FLIGHT TIME
4h 55m - 6h 15m
FLIGHT DISTANCE
2385 miles (3837 km)
5h 5m - 5h 11m
09:13
21:36
2385 miles (3837 km)
March
1 (Show)
23
Alaska Airlines Terminal Information & Contact
Departure Terminal - SeaTac (SEA)
Terminal: 1
Phone: 1-800-252-7522
Location: 1, Seattle, US
Arrival Terminal - Philadelphia (PHL)
Terminal: F
Phone: 000 800 100 1051
Location: F, Philadelphia, US
Alaska Airlines Flight Schedule from SeaTac (SEA) to Philadelphia (PHL)
| Flight | Airline | Departure | Arrival | Aircraft |
|---|---|---|---|---|
AS442 |  Alaska Airlines | 09:13 | 17:18:00 | Boeing 737MAX 9 Passenger |
AS371 | Alaska Airlines | 21:36 | 05:47:00 | Boeing 737MAX 9 Passenger |
Alaska Airlines Monthly Flight Calendar
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Alaska Airlines Terminal Information
Departure Terminal at SeaTac (SEA):
• Terminal : Alaska Airlines operates from this terminal
Terminal 1:
• Alaska Airlines Terminal Phone: 1-800-252-7522
Arrival Terminal at Philadelphia (PHL):
Terminal F:
• Alaska Airlines Terminal Phone: 000 800 100 1051
Alaska Airlines Contact Information and Customer Services
Alaska Airlines Address
P.O. Box 68900
Seattle, WA 98168, USA
Customer Service Phone
+1 800 654 5669Official Website
alaskaair.com/Frequently Asked Questions
How many Alaska Airlines flights operate from Seattle (SEA) to Philadelphia (PHL)?
Alaska Airlines operates 2 flights from Seattle (SEA) to Philadelphia (PHL).
What city does Philadelphia (PHL) airport serve?
Philadelphia (PHL) airport serves Philadelphia, US.
How long is the Alaska Airlines flight from Seattle (SEA) to Philadelphia (PHL)?
The flight duration is approximately 4h 55m - 6h 15m.
What is the distance from Seattle (SEA) to Philadelphia (PHL)?
The distance is 2385 miles (3837 km).
What aircraft does Alaska Airlines use on this route?
Alaska Airlines uses Boeing 737MAX 9 Passenger on this route.
Which other airlines operate on this route?
1 other airline operates on this route: American Airlines.
What are the earliest and latest Alaska Airlines flight departure times?
The earliest Alaska Airlines flight departs at 09:13 and the latest departs at 21:36.
View all Alaska Airlines flights to Seattle (SEA) →
Popular Alaska Airlines routes from Seattle include multiple destinations.
Route data verified regularly by Triposia Travel Research Team.