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| Current local time | 14:22:42 Wednesday 04.03.2026 |
| Time zone | UTC - 08:00 |
| 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) | 10 |
| Slot Availability | 83% |
| Min. transfer time | 01:30h |
| Nighttime ban | no nighttime ban |
| Noise restrictions | no noise restrictions |
| Passengers | ![]() |
| Cargo | ![]() |
| 2026-03-03 22:09 UTC | Ventura Airways has opened a new station at Seattle/Tacoma. |
| 2026-02-28 21:16 UTC | PacAir Northwest and THOTO International have signed a new interlining agreement. |
| 2026-02-25 18:22 UTC | Can Connect has opened a new station at Seattle/Tacoma. |
| 2026-02-25 12:32 UTC | Ventura Airways has opened a new station at Seattle/Tacoma. |
| 2026-02-23 15:42 UTC | Dominion Airlines has opened a new station at Seattle/Tacoma. |
| 2026-02-23 06:40 UTC | PacAir Northwest and Mockingbird have signed a new interlining agreement. |
| 2026-02-22 14:02 UTC | Blue Crab Air has opened a new station at Seattle/Tacoma. |
| 2026-02-22 09:17 UTC | Kansai Airways has opened a new station at Seattle/Tacoma. |
| 2026-02-20 16:47 UTC | PacAir Northwest has opened a new station at Hilo. |
| 2026-02-20 16:47 UTC | PacAir Northwest has opened a new station at Lihue. |
| 2026-02-20 16:47 UTC | PacAir Northwest has opened a new station at Kona. |
| 2026-02-19 14:13 UTC | Frimaire Air has opened a new station at Seattle/Tacoma. |
| 2026-02-19 02:26 UTC | PacAir Northwest has opened a new station at Ontario. |
| 2026-02-19 02:26 UTC | PacAir Northwest has opened a new station at Santa Ana, CA, US. |
| 2026-02-19 02:26 UTC | PacAir Northwest has opened a new station at Burbank. |
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