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| Current local time | 18:35:29 Tuesday 13.10.2026 |
| Time zone | UTC - 08:00 |
| Demand calculation | 20:16:48 UTC |
| IATA code | SEA |
| ICAO code | KSEA |
| IATA Area | Traffic Conference 1 |
| IATA Sub-Area | North America |
| Region | Washington |
| Country | USA |
| Continent | North America |
| Runway | 3,627 m |
| Airport size | Very large airport |
| Slots (per 5 minutes) | 20 |
| Slot Availability | 98% |
| Min. transfer time | 01:30h |
| Nighttime ban | no nighttime ban |
| Noise restrictions | no noise restrictions |
| Passengers | ![]() |
| Cargo | ![]() |
| 2026-10-05 23:42 UTC | Canadian Airlines has opened a new station at Seattle/Tacoma. |
| 2026-09-23 03:24 UTC | Pan American World Airways has opened a new station at Seattle/Tacoma. |
| 2026-09-17 07:33 UTC | Republic Airways has opened a new station at Seattle/Tacoma. |
| 2026-09-09 18:52 UTC | Eastern Air Lines has opened a new station at Seattle/Tacoma. |
| 2026-09-07 18:29 UTC | Trans World Airlines has opened a new station at Seattle/Tacoma. |
| 2026-09-07 15:20 UTC | Due to insolvency Horizon Air (Seattle/Tacoma) has ceased operations and was liquidated. |
| 2026-08-31 15:20 UTC | Horizon Air seems to be in financial troubles. To survive its last week-end closing it was granted a rescue loan. |
| 2026-08-30 08:22 UTC | Aleutian Airways has opened a new station at Seattle/Tacoma. |
| 2026-08-29 23:42 UTC | easyJet has opened a new station at Seattle/Tacoma. |
| 2026-08-28 00:42 UTC | Alaska Airlines has opened a new station at Los Angeles. |
| 2026-08-26 16:40 UTC | Alaska Airlines has opened a new station at Salt Lake City. |
| 2026-08-26 16:40 UTC | Icelandair and Alaska Airlines have signed a new interlining agreement. |
| 2026-08-26 16:10 UTC | Icelandair has opened a new station at Seattle/Tacoma. |
| 2026-08-25 00:38 UTC | Horizon Air has opened a new station at Provo. |
| 2026-08-24 16:23 UTC | Alaska Airlines has opened a new station at Las Vegas. |
There are thousands of airports and hundreds of countries in AirlineSim. Consequently, data are bound to be wrong sometimes. In case you came across any mistake - like wrong values, missing airports or naming errors - please send your findings, your sources and a detailed description of the issue to support@airlinesim.aero. Thank you very much for your support!
| Enterprise | IL | Weekly departures | Flight schedule | ||
|---|---|---|---|---|---|
| Air Canada | 35 Departures | ||||
| Alaska Airlines | 264 Departures | ||||
|
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Aleutian Airways | 0 Departures | |||
| American Airlines | 35 Departures | ||||
| British Airways | 6 Departures | ||||
| Canadian Airlines | 7 Departures | ||||
|
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China Airlines | 0 Departures | |||
|
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Delta Air Lines | 21 Departures | |||
| Eastern Air Lines | 3 Departures | ||||
|
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easyJet | 0 Departures | |||
|
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Icelandair | 14 Departures | |||
|
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Pan American World Airways | 7 Departures | |||
|
|
Republic Airways | 0 Departures | |||
| Trans World Airlines | 21 Departures | ||||
| United Airlines | 0 Departures | ||||
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US Airways | 52 Departures | |||
| WestJet | 21 Departures | ||||