🇺🇸 SEA
Seattle
2414 mi
BWI 🇺🇸
Baltimore

Seattle to Baltimore Flights

Seattle–Tacoma International Airport Baltimore/Washington International Thurgood Marshall Airport 3 airlines

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The Seattle to Baltimore route connects Seattle–Tacoma International Airport (SEA) in US with Baltimore/Washington International Thurgood Marshall Airport (BWI) in US. This medium-haul flight covers approximately 2414 miles (3885 km) with a typical flight time of 4h 55m. This route is served by 3 airlines: Alaska Airlines, Southwest, Atlas Air. AirportRoutes has tracked 3 unique flight numbers on this route.

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Departure Airport

Seattle–Tacoma International Airport

ICAO Code:
KSEA
IATA Code:
SEA
City:
🇺🇸 Seattle
Country:
US
Elevation:
433 ft

Destination Airport

Baltimore/Washington International Thurgood Marshall Airport

ICAO Code:
KBWI
IATA Code:
BWI
City:
🇺🇸 Baltimore
Country:
US
Elevation:
146 ft

3

Operators

3

Tracked Flights

2414

Miles

4h 55m

Flight Duration

Route Map

Operating Airlines

Airline ICAO IATA
Alaska Airlines ASA AS
Southwest SWA WN
Atlas Air GTI 5Y

Flight Schedule Pattern

Day Flights Observed Frequency Activity
Monday 5 13%
Tuesday 5 13%
Wednesday 6 16%
Thursday 4 11%
Friday 7 18%
Saturday 5 13%
Sunday 6 16%

Pattern Analysis

3 Tracked Flights:
Data Points: 38
API observations used to build this analysis
Weekdays: 27 flights
Weekend: 11 flights
Business Route More active on weekdays

All Flight Routes

3 Routes
Note: This table shows aggregated route data by airline. Each airline may operate multiple daily flights at different times. See the "Spotted Departure Times" section below for all observed departure times.
Airline Flight Numbers Aircraft Type Typical Time Days Active Last Seen Status
B39M 10:20 10:20 AM (Representative)
M T W T F S S
Jun 19, 2026 Active
Atlas Air
GTI / 5Y
B744 05:05 5:05 AM (Representative)
M T W T F S S
Jun 19, 2026 Active
Southwest
SWA / WN
- B738 -
M T W T F S S
Jun 19, 2026 Active
Total Routes: 3
Active Routes: 3
Unique Airlines: 3
Aircraft Types: 3

Spotted Departure Times

Departure Time Operator ICAO IATA
05:05 5:05 AM Atlas Air GTI 5Y
10:20 10:20 AM Alaska Airlines ASA AS

Time Information

Times are shown in the departure airport's local timezone (KSEA - America/Los_Angeles).

Total Departure Times: 2
Time Range:
05:05 - 10:20
These are typical departure times observed from actual flights. Times may vary by season and schedule changes.