N423AS · BOEING 737-900

Manufacturer and model

BOEING 737-900

Operator

Alaska Airlines (ASA)

First seen

2026-08-10

Last seen

2026-09-24

Flights over the last 30 days

195

Recent flights

• ASA505 Seattle–Tacoma International Airport (SEA/KSEA) → Los Angeles International Airport (LAX/KLAX) 2026-09-24
• ASA505 Seattle–Tacoma International Airport (SEA/KSEA) → Los Angeles International Airport (LAX/KLAX) 2026-09-24
• ASA306 → Seattle–Tacoma International Airport (SEA/KSEA) 2026-09-24
• ASA306 Tailwind Boston Seaplane Base (US-0568) → 2026-09-24
• ASA306 → Boston Logan International Airport (BOS/KBOS) 2026-09-23

Sources: the aircraft registry and our own observations; flight totals also include history taken over from before our own network started.