N331UP
Built 1999 · registered US
This aircraftFlight activity
(268 tracking legs recorded)- Last 30 days
- 71
- Last 90 days
- 165
- Last seen
- 12 Nov 2026
- Tracked since
- 27 May 2026
Frequent routes: KDFW → KSDF (3) · KPHL → KSDF (3) · KDFW → KONT (2)
- KBFI → KSLC11 Nov 2026 · 6h 34m
- KPDX → KBFI11 Nov 2026 · 0h 42m
- … → KPDX10 Nov 2026 · 10h 58m
- … → KBDL10 Nov 2026 · 0h 39m
- KPHL → KBDL4 Nov 2026 · 0h 40m
- … → KPHL4 Nov 2026 · 4h 49m
- … → KEWR3 Nov 2026 · 9h 30m
- KSDF → KMHT31 Oct 2026 · 1h 40m
- KSAT → KSDF29 Oct 2026 · 16h 09m
- … → KSAT29 Oct 2026 · 8h 38m
Showing the 10 most recent distinct flights. The total counts every raw ADS-B tracking leg, including repeat observations and sub-5-minute artifacts.
From ADS-B observations collected since May 2026. Coverage depends on ground-receiver density; gaps do not mean the aircraft did not fly.
Registration history
(1)- N331UPUSACTIVEUNITED PARCEL SERVICE CO1999 – present
Owner names are published by the issuing civil registry (FAA / CCARCS / CASA / ANAC / NZ CAA). Owner addresses present in the source are not republished here. Registered owner? Request removal
Operator history
(1)- United Parcel ServiceOperator2026 – present
Is N331UP currently active?
Registry records list N331UP's status as Active, registered in United States — a Boeing.
What is the manufacturer serial number (MSN) of N331UP?
N331UP carries manufacturer serial number (MSN) 27757, the serial assigned to this Boeing airframe when it was built.
What is the ICAO24 / Mode S code for N331UP?
N331UP's ICAO24 (Mode S) transponder code is A39B56 — the hex address the Mode S transponder on this Boeing broadcasts.