Boeing 737-300 (737-3H4) · N331SW · airBaltic

Boeing 737-300 (737-3H4) illustration in airBaltic livery Illustrative image; it may differ from the actual aircraft.

Boeing 737-300 (737-3H4)

B737-23695Stored
RegistrationUSN331SW
Verified aircraft dataagainst the official civil aviation registerWhat does this badge mean?We checked that this aircraft’s registration, serial number and model match the official civil aviation register: FAA (United States), data as of Oct 8, 2026.That makes its identity more reliable. The verification expires after 12 months: if the register stops confirming it, the badge disappears.How we verify
OperatorairBaltic
2operators
1incidents
0accidents
6logbook years
0photos

Boeing 737-300 (737-3H4) built in 1988. Operated for Southwest Airlines and airBaltic. Currently in storage.

NewNearly newYoungMatureAgingOld
Aging · 24 years · ≈ 79,200 flight hours (approx.)
Vuelopedia is a work in progress: it currently holds about 30% of the information we expect to have by the third quarter of 2027. Although we use only official, highly reliable sources, some aircraft data and history may still contain errors or inaccuracies. We work hard to clear every anomaly from the records using specialized verification tools.

Recent flights

Checking flight activity…

Technical data

ManufacturerBoeing
Engines2× 2 x CFMI CFM56-3B1
MSN23695
VerificationIdentity verified against the official register of FAA (United States) · Oct 8, 2026

The model · Boeing 737

Figures for the 737-800 variant, the most representative of the family

Length39.5 m129 ft
Wingspan35.8 m117 ft
Height12.6 m41 ft
Range5,436 km2,935 NMWith a typical passenger load
Cruise speed834 km/h450 ktMach 0.79
Service ceiling12,500 m41,011 ftIt flies above Everest (1.4 times its height)
Maximum take-off weight79,016 kg174,200 lb
Maximum payload37,603 kg82,900 lbIts 162 passengers with baggage would weigh about 16.2 t; the rest is fuel and cargo
Typical capacity162 passengersUp to 189 in a high-density layout
Endurance6 h 31 minAt cruise speed, non-stop

With its 5,436 km range, from Dallas it could fly non-stop as far as:

Beyond its rangeLHRLondon7,620 km

The type first flew in 1967 (59 years ago) · About 10,200 units built · Production ended in 2019

Figures for the type, not for this particular aircraft: each variant and each configuration changes something. They are shown in both systems used in aviation.

Flight logbook

Year-by-year activity · source BTS (EE. UU.)

2012
Southwest Airlines · 1,877 flights during the year · base Dallas (DAL)
Main route of the year: Houston (HOU) → Dallas (DAL)
2011
Southwest Airlines · 1,796 flights during the year · base Dallas (DAL)
Main route of the year: Houston (HOU) → Dallas (DAL)
61 days inactive
2010
Southwest Airlines · 2,273 flights during the year · base Baltimore (BWI)
Main route of the year: Houston (HOU) → Dallas (DAL)
2009
Southwest Airlines · 1,902 flights during the year · base Baltimore (BWI)
Main route of the year: Houston (HOU) → Dallas (DAL)
46 days inactive
2008
Southwest Airlines · 2,406 flights during the year · base Dallas (DAL)
Main route of the year: Dallas (DAL) → Houston (HOU)
2007
Southwest Airlines · 1,874 flights during the year · base Las Vegas (LAS)
Main route of the year: Las Vegas (LAS) → Phoenix (PHX)
48 days inactive
No reliable logbook records exist for this aircraft before 2007.

Aircraft chronology

1988
Built
Assembled by Boeing.
Apr 11, 1988
Delivered to The Boeing Company
Delivered to The Boeing Company as N331SW.
Apr 25, 1988
Transferred to Southwest Airlines
Transferred to Southwest Airlines.
Apr 30, 1996
Incident at Ontario
On April 30, 1996, the Boeing 737-3H4 aircraft (registration N331SW), operated by Southwest Airlines, was involved in an incident at Ontario (United States) due to a landing gear failure. Source: Southwest Airlines.
Source: Southwest Airlines
Dec 1, 2012
Transferred to airBaltic
Transferred to airBaltic.

Operators

1988-04-11
Registration N331SW
1988-04-25
Registration N331SW
2012-12-01
Registration N331SW

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Cite

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This page was last updated on October 15, 2026

APA

Vuelopedia. (2026, October 15). Boeing 737-300 (737-3H4) · N331SW · airBaltic. Retrieved October 20, 2026, from https://vuelopedia.org/en/aircraft/B737-23695

MLA

“Boeing 737-300 (737-3H4) · N331SW · airBaltic.” Vuelopedia, Fundación Poderia, 15 Oct. 2026, vuelopedia.org/en/aircraft/B737-23695. Accessed 20 Oct. 2026.

Chicago

Vuelopedia. “Boeing 737-300 (737-3H4) · N331SW · airBaltic.” Fundación Poderia. Last modified October 15, 2026. https://vuelopedia.org/en/aircraft/B737-23695.

Harvard

Vuelopedia (2026) Boeing 737-300 (737-3H4) · N331SW · airBaltic. Available at: https://vuelopedia.org/en/aircraft/B737-23695 (Accessed: 20 October 2026).

BibTeX

@misc{vuelopedia_en_aircraft_b737_23695,
  author       = {{Vuelopedia}},
  title        = {{Boeing 737-300 (737-3H4) · N331SW · airBaltic}},
  publisher    = {Fundación Poderia},
  year         = {2026},
  date         = {2026-10-15},
  url          = {https://vuelopedia.org/en/aircraft/B737-23695},
  howpublished = {\url{https://vuelopedia.org/en/aircraft/B737-23695}},
  urldate      = {2026-10-20},
  note         = {Accessed 2026-10-20}
}

Wikipedia

{{cite web |url=https://vuelopedia.org/en/aircraft/B737-23695 |title=Boeing 737-300 (737-3H4) · N331SW · airBaltic |website=Vuelopedia |publisher=Fundación Poderia |date=2026-10-15 |access-date=2026-10-20 |language=en}}