N439UP

Built 1994 · registered US

Flight activity

(199 tracking legs recorded)

Last 30 days: 43
Last 90 days: 123
Last seen: 12 Nov 2026
Tracked since: 8 May 2026

Frequent routes: KBFI → KBFI (2) · KBOI → KONT (2) · KONT → KABQ (2)

KPDX → KGEG12 Nov 2026 · 0h 39m
KSLC → KPDX11 Nov 2026 · 11h 21m
KDFW → KSLC11 Nov 2026 · 8h 51m
KTPA → KDFW10 Nov 2026 · 2h 20m
… → KTPA10 Nov 2026 · 1h 59m
KORD → KPHL10 Nov 2026 · 1h 22m
… → KORD7 Nov 2026 · 19h 59m
… → KSLC4 Nov 2026 · 6h 18m
… → KDEN3 Nov 2026 · 12h 17m
KSDF → KONT29 Oct 2026 · 6h 45m

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)

N439UPUSACTIVE
UNITED PARCEL SERVICE CO
1994 – 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 Service
Operator
2026 – present

N439UP — frequently asked

Is N439UP currently active?

Registry records list N439UP's status as Active, registered in United States — a Boeing.

What is the manufacturer serial number (MSN) of N439UP?

N439UP carries manufacturer serial number (MSN) 25470, the serial assigned to this Boeing airframe when it was built.

What is the ICAO24 / Mode S code for N439UP?

N439UP's ICAO24 (Mode S) transponder code is A5465D — the hex address the Mode S transponder on this Boeing broadcasts.