N401UP
Built 1987 · registered US
This aircraftFlight activity
(170 tracking legs recorded)- Last 30 days
- 33
- Last 90 days
- 89
- Last seen
- 12 Nov 2026
- Tracked since
- 27 May 2026
Frequent routes: KSDF → KDEN (4) · KPHL → KPHL (3) · KSDF → KSDF (3)
- … → KBDL12 Nov 2026 · 7h 54m
- … → KDFW11 Nov 2026 · 5h 48m
- … → KPHL10 Nov 2026 · 13h 32m
- … → KBFI10 Nov 2026 · 9h 40m
- KABQ → KONT30 Oct 2026 · 1h 29m
- KONT → KABQ29 Oct 2026 · 1h 21m
- … → KONT29 Oct 2026 · 1h 58m
- KDEN → KABQ29 Oct 2026 · 7h 05m
- KSDF → KDEN28 Oct 2026 · 2h 28m
- KSDF → KSDF28 Oct 2026 · 5h 29m
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)- N401UPUSACTIVEUNITED PARCEL SERVICE CO1998 – 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 N401UP currently active?
Registry records list N401UP's status as Active, registered in United States — a Boeing.
What is the manufacturer serial number (MSN) of N401UP?
N401UP carries manufacturer serial number (MSN) 23723, the serial assigned to this Boeing airframe when it was built.
What is the ICAO24 / Mode S code for N401UP?
N401UP's ICAO24 (Mode S) transponder code is A4B228 — the hex address the Mode S transponder on this Boeing broadcasts.