Flight AS378 from SEA

All recorded departures for AS378 from Seattle-Tacoma International. Select a date to view the full flight details.

Departure dates

• 2026-05-17→ ANC | started | Alaska Horizon
• 2026-05-17→ ANC | departed | Alaska Horizon
• 2026-05-16→ ANC | started | Alaska Horizon
• 2026-05-16→ ANC | started | Alaska Horizon