Seattle-Tacoma (SEA) Airport Guide
SEA is Alaska's home and a Delta west-coast pillar. Here's the 2026 guide — concourses, the link, fog patterns, and how to navigate the new N gates.
FlightyFlow Team·· 6 min read
Layout
- Concourses A, B, C, D — domestic.
- N Concourse — Alaska's flagship.
- S Concourse — international (one-way only after immigration).
The shuttle train links satellites under the central terminal.
Getting there
- Link Light Rail — 35 minutes from downtown for a few dollars.
- Lyft/Uber — 25–60 min depending on I-5 traffic.
Security and lounges
- TSA PreCheck and Clear lanes on most checkpoints.
- Alaska Lounge in N and C; Delta Sky Club in A; Centurion opens 2026 in B.
Weather
- Coastal fog affects 16R/L morning approaches.
- Atmospheric rivers in winter cause occasional flow programs.
OTP
SEA's morning bank is Alaska's most reliable in the US. Late-day operations slip in winter weather.
#SEA#Seattle#airport guide#Alaska#Delta
Track your next flight with FlightyFlow
Free on the App Store. Live aircraft, smart alerts, and beautiful flight pages — built for iPhone.