DL473 · DAL473

DAL473 over the last 30 days

As of 2026-10-30

DAL473 is operated by Delta Air Lines on the route Seattle–Tacoma International Airport (SEA/KSEA) → Boston Logan International Airport (BOS/KBOS). It usually takes off around 06:29 UTC (23:29 local time, SEA). It usually lands around 11:09 UTC (07:09 local time, BOS). Most frequent aircraft type: AIRBUS A-321neo (A21N).

Days with an observed flight (last 30 days)

30/30

Days of the week with an observed flight

Mon, Tue, Wed, Thu, Fri, Sat, Sun

Typical take-off

06:29 UTC · 23:29 local time (SEA)

Typical landing

11:09 UTC · 07:09 local time (BOS)

Median departure deviation from the usual time on this route

+2 min

Departures within 15 minutes of the usual time

76 %

Departures measured

78

Our measurement against the usual departure time of the route, from our own observations over the last 28 days; the figures cover all flights of this airline on the route.

Aircraft types on this flight (last 30 days)

• AIRBUS A-321neo (A21N) — Number of flights: 58
• BEECH 1300 Commuter (BE20) — Number of flights: 2

Aircraft in the last 7 days

• N531DA · AIRBUS A-321neo 2026-10-30
• N542DE · AIRBUS A-321neo 2026-10-29
• N544DN · AIRBUS A-321neo 2026-10-28
• N504DZ · AIRBUS A-321neo 2026-10-27
• N549DN · AIRBUS A-321neo 2026-10-26
• N525DA · AIRBUS A-321neo 2026-10-25

Related flights on this route

• All flights KSEA – KBOS