Apparatus

Try JFK, AAL1290, BAW, or N225AN.

flight Aircraft

N331DU

Operated by DELTA AIR LINES INC

Tail number
N331DU
Type
BCS3
Mode-S
A399E4
On the ground · transponder active
Flights observed
355 showing last 50
Avg flight time
2h 34m
Typical route
AUS → BOS
Last seen
5h ago

Last known area

Map centered near N331DU's most recent activity.

Recent flights last 50

DateRouteTakeoffLandingDuration
2026-07-13 SEA → ANC Jul 13, 21:48 UTCJul 14, 01:18 UTC3h 30m
2026-07-13 SEA → ANC Jul 13, 21:50 UTCJul 14, 01:10 UTC3h 20m
2026-07-13 AUS → SEA Jul 13, 16:20 UTCJul 13, 20:00 UTC3h 40m
2026-07-13 - Jul 13, 10:40 UTCJul 13, 14:25 UTC3h 45m
2026-07-13 BOS → BOS Jul 13, 07:55 UTCJul 13, 08:01 UTC5m
2026-07-12 - Jul 12, 23:25 UTCJul 13, 02:45 UTC3h 20m
2026-07-12 BOS → DFW Jul 12, 16:20 UTCJul 12, 19:45 UTC3h 25m
2026-07-12 BOS → DFW Jul 12, 16:17 UTCJul 12, 19:41 UTC3h 24m
2026-07-12 ORD → BOS Jul 12, 12:30 UTCJul 12, 14:30 UTC2h 0m
2026-07-12 BOS → ORD Jul 12, 00:59 UTCJul 12, 03:01 UTC2h 2m
2026-07-12 BOS → ORD Jul 12, 01:00 UTCJul 12, 03:05 UTC2h 5m
2026-07-11 - Jul 11, 19:30 UTCJul 11, 23:10 UTC3h 40m
2026-07-11 - Jul 11, 13:55 UTCJul 11, 18:10 UTC4h 15m
2026-07-10 - Jul 10, 22:55 UTCJul 11, 01:00 UTC2h 5m
2026-07-10 BNA → BOS Jul 10, 22:54 UTCJul 11, 01:02 UTC2h 8m
2026-07-10 - Jul 10, 19:05 UTCJul 10, 21:35 UTC2h 30m
2026-07-10 - Jul 10, 14:40 UTCJul 10, 17:15 UTC2h 35m
2026-07-10 - Jul 10, 10:25 UTCJul 10, 13:25 UTC3h 0m
2026-07-09 BNA → BOS Jul 9, 23:30 UTCJul 10, 01:30 UTC2h 0m
2026-07-09 - Jul 9, 18:45 UTCJul 9, 21:10 UTC2h 25m
2026-07-09 - Jul 9, 14:45 UTCJul 9, 17:15 UTC2h 30m
2026-07-09 - Jul 9, 10:30 UTCJul 9, 13:25 UTC2h 55m
2026-07-09 - Jul 9, 03:25 UTCJul 9, 03:35 UTC10m
2026-07-09 - Jul 9, 00:45 UTCJul 9, 03:15 UTC2h 30m
2026-07-08 - Jul 8, 20:20 UTCJul 8, 23:05 UTC2h 45m
2026-07-08 - Jul 8, 16:30 UTCJul 8, 18:35 UTC2h 5m
2026-07-08 BNA → BOS Jul 8, 16:25 UTCJul 8, 18:37 UTC2h 12m
2026-07-08 BOS → BNA Jul 8, 12:35 UTCJul 8, 14:50 UTC2h 15m
2026-07-08 AUS → BOS Jul 8, 01:09 UTCJul 8, 05:09 UTC4h 0m
2026-07-08 AUS → BOS Jul 8, 01:10 UTCJul 8, 05:15 UTC4h 5m
2026-07-07 BOS → AUS Jul 7, 17:40 UTCJul 7, 21:30 UTC3h 50m
2026-07-07 AUS → BOS Jul 7, 12:32 UTCJul 7, 16:17 UTC3h 45m
2026-07-07 AUS → BOS Jul 7, 12:35 UTCJul 7, 16:20 UTC3h 45m
2026-07-07 - Jul 7, 02:40 UTCJul 7, 06:35 UTC3h 55m
2026-07-06 - Jul 6, 23:10 UTCJul 7, 01:20 UTC2h 10m
2026-07-06 BOS → BNA Jul 6, 18:55 UTCJul 6, 21:10 UTC2h 15m
2026-07-06 - Jul 6, 14:40 UTCJul 6, 17:15 UTC2h 35m
2026-07-06 - Jul 6, 10:20 UTCJul 6, 13:20 UTC3h 0m
2026-07-05 - Jul 5, 22:30 UTCJul 6, 00:15 UTC1h 45m
2026-07-05 - Jul 5, 18:15 UTCJul 5, 19:00 UTC45m
2026-07-05 BOS → ORD Jul 5, 18:12 UTCJul 5, 20:26 UTC2h 14m
2026-07-05 - Jul 5, 14:50 UTCJul 5, 16:10 UTC1h 20m
2026-07-05 - Jul 5, 11:20 UTCJul 5, 12:50 UTC1h 30m
2026-07-04 - Jul 4, 22:25 UTCJul 4, 22:30 UTC5m
2026-07-04 - Jul 4, 18:40 UTCJul 4, 19:00 UTC20m
2026-07-04 SAT → BOS Jul 4, 18:36 UTCJul 4, 22:10 UTC3h 34m
2026-07-04 - Jul 4, 13:25 UTCJul 4, 17:05 UTC3h 40m
2026-07-03 - Jul 3, 23:40 UTCJul 4, 01:50 UTC2h 10m
2026-07-03 - Jul 3, 19:05 UTCJul 3, 21:25 UTC2h 20m
2026-07-03 - Jul 3, 14:55 UTCJul 3, 17:35 UTC2h 40m

Specifications

Registration N331DU
Operator DELTA AIR LINES INC
Mode-S code A399E4 · 50714744 (octal)

Looking for transponder-level data? View the Mode-S A399E4 page for country allocation, callsign history, and ADS-B signal details.

N331DU frequently asked

Who operates N331DU?
N331DU is operated by DELTA AIR LINES INC.
What is the Mode-S transponder code for N331DU?
N331DU broadcasts on Mode-S (ICAO 24-bit) address A399E4 (octal 50714744). View the transponder page.
What route does N331DU typically fly?
N331DU most frequently flies between AUS and BOS based on observed flights.
Where is N331DU right now?
N331DU is currently on the ground with its transponder active.