Airframe N429WN Key Facts

  • Airframe N429WN (Boeing 737-700) was last observed on 2026-09-17 at monitored terminal (Global Airspace).
  • Current operational status is classified as ACTIVE with 0 consecutive days unobserved.
  • Registered Mode S 24-bit transponder address is A51F0F with manufacturer serial number (MSN) 33658.
N429WN (Boeing 737-700)
Boeing 737-700 · Operated by Southwest Airlines Reference: Acroterion

Registry Record

Registration Mark
N429WN
Manufacturer Serial Number (MSN)
33658
Mode S 24-bit ICAO Hex
a51f0f
Registered Owner
Southwest Airlines Co
Lessor / Financing
Carrier Owned / Unlisted
Estimated Airframe Age
4.8 years
Resolution Confidence
HIGH

Observation & Telemetry State

Current Status
ACTIVE
First Observed Date
2020-01-01
Last Observed Date
2026-09-17
Last Observed Airport
Unassigned Airspace
Days Without Observed Flight
0 days

Airframe Lifecycle & Genealogy History

MSN 33658 • Hex A51F0F
2021 OEM Production
Assembled by Boeing
Manufactured as Boeing 737-700 with Manufacturer Serial Number 33658 and assigned ICAO Mode S hex A51F0F.
2021 Commercial Entry
Delivered into Commercial Service
Accepted into commercial scheduled operations under tail registration N429WN.
2024 Fleet Ownership
Direct Carrier Ownership
Direct balance-sheet asset operated and maintained under direct corporate ownership.
2026 (Current) ACTIVE
Operated by Southwest Airlines
Current observed airframe age is 4.8 years. Telemetry active across global ADS-B tracking corridors.

90-Day Observed Activity Strip

Daily flight activity observations over the previous 90-day window.

Observed ADS-B Signal Unobserved / On Ground

Observed Flight Corridor History

CYYZ-KATLKATL-KLAXKLAX-KJFK