Flights operate between Boston (BOS) and SeaTac (SEA).
1 airline operates this route with 4-6 flights daily flights.
Average flight time is 6h 08m - 6h 40m.
Route distance is 2502 miles (4026 km).
Route Distance
2502 miles (4026 km)
Average Duration
6h 08m - 6h 40m
Airlines Operating This Route
Delta Air Lines
Flight Frequency
Daily Flights
4-6 flights
Weekly Flights
51
Typical Departure Time Ranges
Earliest Departure
07:15
Latest Departure
19:00
Route Intelligence Dashboard
Overall Connectivity Score
70
GoodRoute Diversity
1
Direct Routes
Delta Air Lines serves 1 destination from BOS
Weekly Frequency
21
Weekly Flights
Trend: Stable
Top 1 Most Frequent Routes - Details
| Route | Weekly Flights | Duration | Distance | Reliability |
|---|---|---|---|---|
| BOS → SeaTac (SEA) (SEA) | 21/week | 6h 08m - 6h 40m | 2,502 km | Moderate |
Flight Schedule & Filters
Delta Air Lines flights from Boston (BOS) to SeaTac (SEA)
Delta Air Lines operates scheduled nonstop flights between Boston (BOS) and SeaTac (SEA). Delta Air Lines operates 4-6 flights daily flights on this route.• Flight Duration: 6h 08m - 6h 40m (average flight time)• Distance: 2502 miles (4026 km) (air miles between airports)• Daily Flights: 4-6 flights (scheduled departures per day)
Boston (BOS)
US
SeaTac (SEA)
US
FLIGHT TIME
6h 08m - 6h 40m
FLIGHT DISTANCE
2502 miles (4026 km)
6h 24m - 6h 30m
07:15
19:00
2502 miles (4026 km)
March
1 (Show)
51
Delta Air Lines Terminal Information & Contact
Departure Terminal - Boston (BOS)
Terminal: E
Phone: 1-800-123-6645
Location: E, Boston, US
Arrival Terminal - SeaTac (SEA)
Terminal: 1
Phone: 1-800-123-6645
Location: 1, Seattle, US
Delta Air Lines Flight Schedule from Boston (BOS) to SeaTac (SEA)
| Flight | Airline | Departure | Arrival | Aircraft |
|---|---|---|---|---|
DL384 |  Delta Air Lines | 07:15 | 10:45:00 | Airbus A321neo |
DL332 | Delta Air Lines | 11:10 | 14:34:00 | Airbus A321neo |
DL324 | Delta Air Lines | 19:00 | 22:29:00 | Airbus A321neo |
Delta Air Lines Monthly Flight Calendar
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Delta Air Lines Terminal Information
Departure Terminal at Boston (BOS):
• Terminal : Delta Air Lines operates from this terminal
Terminal E:
• Delta Air Lines Terminal Phone: 1-800-123-6645
Arrival Terminal at SeaTac (SEA):
• Terminal : Delta Air Lines operates from this terminal
Terminal 1:
• Delta Air Lines Terminal Phone: 1-800-123-6645
Delta Air Lines Contact Information and Customer Services
Delta Air Lines Address
1030 Delta Boulevard
Atlanta, Georgia 30354-1989, United States
Customer Service Phone
+1 800 221 12 12Official Website
delta.comFrequently Asked Questions
How many Delta Air Lines flights operate from Boston (BOS) to Seattle (SEA)?
Delta Air Lines operates 3 flights from Boston (BOS) to Seattle (SEA).
What city does Seattle (SEA) airport serve?
Seattle (SEA) airport serves SeaTac, US.
How long is the Delta Air Lines flight from Boston (BOS) to Seattle (SEA)?
The flight duration is approximately 6h 08m - 6h 40m.
What is the distance from Boston (BOS) to Seattle (SEA)?
The distance is 2502 miles (4026 km).
What aircraft does Delta Air Lines use on this route?
Delta Air Lines uses Airbus A321neo on this route.
Which other airlines operate on this route?
1 other airline operates on this route: Alaska Airlines.
What are the earliest and latest Delta Air Lines flight departure times?
The earliest Delta Air Lines flight departs at 07:15 and the latest departs at 19:00.
View all Delta Air Lines flights to Boston (BOS) →
Popular Delta Air Lines routes from Boston include multiple destinations.
Route data verified regularly by Triposia Travel Research Team.