Apparatus

Try JFK, AAL1290, BAW, or N225AN.

flight Aircraft

N437UP

BOEING 757-200

Operated by UNITED PARCEL SERVICE CO

Tail number
N437UP
Type
B752
Mode-S
A53EEF
Photo of N437UP
Not currently tracked · last seen 18h ago
Flights observed
3
Avg flight time
3h 3m
Typical route
RFD → BFI
Last seen
18h ago

Last known area

Map centered near N437UP's most recent activity.

Recent flights last 3

DateRouteTakeoffLandingDuration
2026-04-14 RFD → BFI Apr 14, 09:10 UTCApr 14, 11:05 UTC1h 55m
2026-04-14 RFD → BFI Apr 14, 07:38 UTCApr 14, 11:16 UTC3h 38m
2026-04-14 RFD → BFI Apr 14, 07:40 UTCApr 14, 11:16 UTC3h 36m

Specifications

Registration N437UP
Aircraft type BOEING 757-200 (B752)
Operator UNITED PARCEL SERVICE CO
Mode-S code A53EEF · 51237357 (octal)

Looking for transponder-level data? View the Mode-S A53EEF page for country allocation, callsign history, and ADS-B signal details.

N437UP frequently asked

What type of aircraft is N437UP?
N437UP is a BOEING 757-200 (ICAO type code B752).
Who operates N437UP?
N437UP is operated by UNITED PARCEL SERVICE CO.
What is the Mode-S transponder code for N437UP?
N437UP broadcasts on Mode-S (ICAO 24-bit) address A53EEF (octal 51237357). View the transponder page.
What route does N437UP typically fly?
N437UP most frequently flies between RFD and BFI based on observed flights.
Where is N437UP right now?
N437UP is not currently being tracked; last seen 18h ago.