Nonstop flight route between Wilmington, Delaware, United States and SeaTac (near Seattle and Tacoma), Washington, United States:
Departure Airport:

Arrival Airport:

Distance from ILG to SEA:
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- About this route
- ILG Airport Information
- SEA Airport Information
- Facts about ILG
- Facts about SEA
- Map of Nearest Airports to ILG
- List of Nearest Airports to ILG
- Map of Furthest Airports from ILG
- List of Furthest Airports from ILG
- Map of Nearest Airports to SEA
- List of Nearest Airports to SEA
- Map of Furthest Airports from SEA
- List of Furthest Airports from SEA
About this route:
A direct, nonstop flight between Wilmington/Philadelphia Regional Airport (ILG), Wilmington, Delaware, United States and Seattle–Tacoma International Airport (SEA), SeaTac (near Seattle and Tacoma), Washington, United States would travel a Great Circle distance of 2,362 miles (or 3,801 kilometers).
A Great Circle is the shortest distance between 2 points on a sphere. Because most world maps are flat (but the Earth is round), the route of the shortest distance between 2 points on the Earth will often appear curved when viewed on a flat map, especially for long distances. If you were to simply draw a straight line on a flat map and measure a very long distance, it would likely be much further than if you were to lay a string between those two points on a globe. Because of the relatively short distance between Wilmington/Philadelphia Regional Airport and Seattle–Tacoma International Airport, the route shown on this map most likely still appears to be a straight line.
Departure Airport Information:
IATA / ICAO Codes: | ILG / KILG |
Airport Name: | Wilmington/Philadelphia Regional Airport |
Location: | Wilmington, Delaware, United States |
GPS Coordinates: | 39°40'42"N by 75°36'24"W |
Area Served: | Wilmington, Delaware |
Operator/Owner: | New Castle County, Delaware |
Airport Type: | Public |
Elevation: | 80 feet (24 meters) |
# of Runways: | 3 |
View all routes: | Routes from ILG |
More Information: | ILG Maps & Info |
Arrival Airport Information:
IATA / ICAO Codes: | SEA / KSEA |
Airport Names: |
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Location: | SeaTac (near Seattle and Tacoma), Washington, United States |
GPS Coordinates: | 47°26'56"N by 122°18'33"W |
Area Served: | Seattle; Tacoma, Washington, US |
Airport Type: | Public |
Elevation: | 433 feet (132 meters) |
# of Runways: | 3 |
View all routes: | Routes from SEA |
More Information: | SEA Maps & Info |
Facts about Wilmington/Philadelphia Regional Airport (ILG):
- From 1991 through 1998, again from 2000 to 2006, and from April 2008 until July 1, 2013, Delaware was the only U.S.
- The furthest airport from Wilmington/Philadelphia Regional Airport (ILG) is Margaret River Airport (MGV), which is located 11,724 miles (18,869 kilometers) away in Margaret River, Western Australia, Australia.
- The airport opened before World War II, named the Wilmington Airport and the Greater Wilmington Airport.
- Because of Wilmington/Philadelphia Regional Airport's relatively low elevation of 80 feet, planes can take off or land at Wilmington/Philadelphia Regional Airport at a lower air speed than at airports located at a higher elevation. This is because the air density is higher closer to sea level than it would otherwise be at higher elevations.
- On April 9, 2013 the Philadelphia Inquirer reported that Frontier Airlines would begin service July 1 from Wilmington to Chicago-Midway, Orlando, Tampa, Houston, and Denver.
- The closest airport to Wilmington/Philadelphia Regional Airport (ILG) is Philadelphia Seaplane BaseChandler Field (PSQ), which is located 21 miles (33 kilometers) NE of ILG.
- Wilmington/Philadelphia Regional Airport (ILG) has 3 runways.
Facts about Seattle–Tacoma International Airport (SEA):
- Seattle's Central Link light-rail line serves the airport at the SeaTac/Airport Station, which opened on December 19, 2009.
- The airport has a Central Terminal building, which was renovated and expanded in 2003.
- A new control tower was built beginning in 2001 and opened November 2004, at a cost of $26 million.
- The closest airport to Seattle–Tacoma International Airport (SEA) is Renton Municipal Airport (RNT), which is located only 5 miles (9 kilometers) NE of SEA.
- Because of Seattle–Tacoma International Airport's relatively low elevation of 433 feet, planes can take off or land at Seattle–Tacoma International Airport at a lower air speed than at airports located at a higher elevation. This is because the air density is higher closer to sea level than it would otherwise be at higher elevations.
- Starting in the late 1980s, the Port of Seattle and a council representing local county governments considered the future of air traffic in the region and predicted that airport could reach capacity by 2000.
- Seattle–Tacoma International Airport (SEA) has 3 runways.
- The furthest airport from Seattle–Tacoma International Airport (SEA) is Tôlanaro Airport (FTU), which is located 10,781 miles (17,350 kilometers) away in Tôlanaro, Madagascar.
- In addition to being known as "Seattle–Tacoma International Airport", another name for SEA is "Sea–Tac Airport".
- The top five carriers at the airport in number of passengers carried in 2012 were Alaska Airlines, Horizon Air, Delta Air Lines, Southwest Airlines, and United Airlines.
- Interstate 5 and its offshoot Interstate 405 intersect very close to the airport, and most people use private vehicles to arrive at the airport.
- Seattle–Tacoma International Airport handled 34,776,666 passengers last year.