DL631 · DAL631

DAL631 over the last 30 days

As of 2026-10-26

DAL631 is operated by Delta Air Lines on the route Austin Bergstrom International Airport (AUS/KAUS) → Seattle–Tacoma International Airport (SEA/KSEA). It usually takes off around 23:39 UTC (18:39 local time, AUS). It usually lands around 03:27 UTC (20:27 local time, SEA). Most frequent aircraft type: BOEING 737-800 (B738).

Days with an observed flight (last 30 days)

24/30

Days of the week with an observed flight

Mon, Tue, Wed, Thu, Fri, Sun

Typical take-off

23:39 UTC · 18:39 local time (AUS)

Typical landing

03:27 UTC · 20:27 local time (SEA)

Typical time airborne

228 min

Median departure deviation from the usual time on this route

+1 min

Departures within 15 minutes of the usual time

72 %

Departures measured

53

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)

• BOEING 737-800 (B738) — Number of flights: 21
• BOEING 767-300 (B763) — Number of flights: 10

Aircraft in the last 7 days

• N380DA · BOEING 737-800 2026-10-26
• N3767 · BOEING 737-800 2026-10-25
• N3740C · BOEING 737-800 2026-10-24
• N385DN · BOEING 737-800 2026-10-22
• N392DA · BOEING 737-800 2026-10-21
• N383DN · BOEING 737-800 2026-10-20

Related flights on this route

• All flights KAUS – KSEA