Southwest Airlines Key Facts

As of 2026-09-17, 875 Southwest Airlines airframes were observed flying in the previous 30 days.
0 airframes were unobserved for 7 to 29 days, and 0 airframes are classified as stored or unobserved for 30 or more days.
The observed average fleet age for Southwest Airlines is 11.2 years.

Active Airframes 875 Observed in last 30 days (87% utilization)

Fleet Financing Structure 100% Owned · 0% Leased 875 owned · 0 leased tails

Modernity & Carbon Rating Grade B (-12% Fuel) 47.2% Next-Gen (neo/MAX/A350/787)

Fleet Ownership & Lessor Financing Exposure

Analysis of institutional aircraft operating lessors financing Southwest Airlines's fleet portfolio.

Balance Sheet vs Leased Fleet Split

Carrier Owned: 100% (875 aircraft) Operating Leases: 0% (0 aircraft)

Financing Lessors with Portfolio Exposure

Fleet primarily financed via direct capital purchases and internal treasury facilities.

Fleet Age Distribution

Distribution of observed airframes by age bracket as of 2026-09-17.

Observed Fleet Locations

Global distribution of last-observed airport locations for Southwest Airlines aircraft.

Observed Airframes

Registration / Tail	Aircraft Type	Mode S Hex	Lessor / Owner	Status	Last Observed Airport	Estimated Age
N1805U	Boeing 737 MAX 8	`a143c6`	Southwest Airlines Co	ACTIVE	Unassigned	7.6 years
N1806U	Boeing 737 MAX 8	`a143e9`	Southwest Airlines Co	ACTIVE	Unassigned	4.0 years
N1807U	Boeing 737 MAX 8	`a1440c`	Southwest Airlines Co	ACTIVE	Unassigned	4.4 years
N1809U	Boeing 737 MAX 8	`a14452`	Southwest Airlines Co	ACTIVE	Unassigned	5.2 years
N400WN	Boeing 737-700	`a4aea2`	Southwest Airlines Co	ACTIVE	Unassigned	4.4 years
N401WN	Boeing 737-700	`a4b259`	Southwest Airlines Co	ACTIVE	Unassigned	4.8 years
N402WN	Boeing 737-700	`a4b610`	Southwest Airlines Co	ACTIVE	Unassigned	5.2 years
N403WN	Boeing 737-700	`a4b9c7`	Southwest Airlines Co	ACTIVE	Unassigned	5.6 years
N404WN	Boeing 737-700	`a4bd7e`	Southwest Airlines Co	ACTIVE	Unassigned	6.0 years
N405WN	Boeing 737-700	`a4c135`	Southwest Airlines Co	ACTIVE	Unassigned	6.4 years
N406WN	Boeing 737-700	`a4c4ec`	Southwest Airlines Co	ACTIVE	Unassigned	6.8 years
N407WN	Boeing 737-700	`a4c8a3`	Southwest Airlines Co	ACTIVE	Unassigned	7.2 years
N408WN	Boeing 737-700	`a4cc5a`	Southwest Airlines Co	ACTIVE	Unassigned	7.6 years
N409WN	Boeing 737-700	`a4d011`	Southwest Airlines Co	ACTIVE	Unassigned	4.0 years
N410WN	Boeing 737-700	`a4d621`	Southwest Airlines Co	ACTIVE	Unassigned	4.8 years
N411WN	Boeing 737-700	`a4d9d8`	Southwest Airlines Co	ACTIVE	Unassigned	5.2 years
N412WN	Boeing 737-700	`a4dd8f`	Southwest Airlines Co	ACTIVE	Unassigned	5.6 years
N413WN	Boeing 737-700	`a4e146`	Southwest Airlines Co	ACTIVE	Unassigned	6.0 years
N414WN	Boeing 737-700	`a4e4fd`	Southwest Airlines Co	ACTIVE	Unassigned	6.4 years
N415WN	Boeing 737-700	`a4e8b4`	Southwest Airlines Co	ACTIVE	Unassigned	6.8 years
N416WN	Boeing 737-700	`a4ec6b`	Southwest Airlines Co	ACTIVE	Unassigned	7.2 years
N417WN	Boeing 737-700	`a4f022`	Southwest Airlines Co	ACTIVE	Unassigned	7.6 years
N418WN	Boeing 737-700	`a4f3d9`	Southwest Airlines Co	ACTIVE	Unassigned	4.0 years
N419WN	Boeing 737-700	`a4f790`	Southwest Airlines Co	ACTIVE	Unassigned	4.4 years
N420WN	Boeing 737-700	`a4fda0`	Southwest Airlines Co	ACTIVE	Unassigned	5.2 years
N421LV	Boeing 737-700	`a50064`	Southwest Airlines Co	ACTIVE	Unassigned	4.4 years
N422WN	Boeing 737-700	`a5050e`	Southwest Airlines Co	ACTIVE	Unassigned	6.0 years
N423WN	Boeing 737-700	`a508c5`	Southwest Airlines Co	ACTIVE	Unassigned	6.4 years
N424WN	Boeing 737-700	`a50c7c`	Southwest Airlines Co	ACTIVE	Unassigned	6.8 years
N425LV	Boeing 737-700	`a50f40`	Southwest Airlines Co	ACTIVE	Unassigned	6.0 years
N426WN	Boeing 737-700	`a513ea`	Southwest Airlines Co	ACTIVE	Unassigned	7.6 years
N427WN	Boeing 737-700	`a517a1`	Southwest Airlines Co	ACTIVE	Unassigned	4.0 years
N428WN	Boeing 737-700	`a51b58`	Southwest Airlines Co	ACTIVE	Unassigned	4.4 years
N429WN	Boeing 737-700	`a51f0f`	Southwest Airlines Co	ACTIVE	Unassigned	4.8 years
N430WN	Boeing 737-700	`a5251f`	Southwest Airlines Co	ACTIVE	Unassigned	5.6 years
N431WN	Boeing 737-700	`a528d6`	Southwest Airlines Co	ACTIVE	Unassigned	6.0 years
N432WN	Boeing 737-700	`a52c8d`	Southwest Airlines Co	ACTIVE	Unassigned	6.4 years
N433LV	Boeing 737-700	`a52f51`	Southwest Airlines Co	ACTIVE	Unassigned	5.6 years
N434WN	Boeing 737-700	`a533fb`	Southwest Airlines Co	ACTIVE	Unassigned	7.2 years
N435WN	Boeing 737-700	`a537b2`	Southwest Airlines Co	ACTIVE	Unassigned	7.6 years
N436WN	Boeing 737-700	`a53b69`	Southwest Airlines Co	ACTIVE	Unassigned	4.0 years
N437WN	Boeing 737-700	`a53f20`	Southwest Airlines Co	ACTIVE	Unassigned	4.4 years
N438WN	Boeing 737-700	`a542d7`	Southwest Airlines Co	ACTIVE	Unassigned	4.8 years
N439WN	Boeing 737-700	`a5468e`	Southwest Airlines Co	ACTIVE	Unassigned	5.2 years
N440LV	Boeing 737-700	`a54bab`	Southwest Airlines Co	ACTIVE	Unassigned	4.8 years
N441WN	Boeing 737-700	`a55055`	Southwest Airlines Co	ACTIVE	Unassigned	6.4 years
N442WN	Boeing 737-700	`a5540c`	Southwest Airlines Co	ACTIVE	Unassigned	6.8 years
N443WN	Boeing 737-700	`a557c3`	Southwest Airlines Co	ACTIVE	Unassigned	7.2 years
N444WN	Boeing 737-700	`a55b7a`	Southwest Airlines Co	ACTIVE	Unassigned	7.6 years
N445WN	Boeing 737-700	`a55f31`	Southwest Airlines Co	ACTIVE	Unassigned	4.0 years
N446WN	Boeing 737-700	`a562e8`	Southwest Airlines Co	ACTIVE	Unassigned	4.4 years
N447WN	Boeing 737-700	`a5669f`	Southwest Airlines Co	ACTIVE	Unassigned	4.8 years
N448WN	Boeing 737-700	`a56a56`	Southwest Airlines Co	ACTIVE	Unassigned	5.2 years
N449WN	Boeing 737-700	`a56e0d`	Southwest Airlines Co	ACTIVE	Unassigned	5.6 years
N450WN	Boeing 737-700	`a5741d`	Southwest Airlines Co	ACTIVE	Unassigned	6.4 years
N451WN	Boeing 737-700	`a577d4`	Southwest Airlines Co	ACTIVE	Unassigned	6.8 years
N452WN	Boeing 737-700	`a57b8b`	Southwest Airlines Co	ACTIVE	Unassigned	7.2 years
N453WN	Boeing 737-700	`a57f42`	Southwest Airlines Co	ACTIVE	Unassigned	7.6 years
N454WN	Boeing 737-700	`a582f9`	Southwest Airlines Co	ACTIVE	Unassigned	4.0 years
N455WN	Boeing 737-700	`a586b0`	Southwest Airlines Co	ACTIVE	Unassigned	4.4 years
N456WN	Boeing 737-700	`a58a67`	Southwest Airlines Co	ACTIVE	Unassigned	4.8 years
N457WN	Boeing 737-700	`a58e1e`	Southwest Airlines Co	ACTIVE	Unassigned	5.2 years
N458WN	Boeing 737-700	`a591d5`	Southwest Airlines Co	ACTIVE	Unassigned	5.6 years
N459WN	Boeing 737-700	`a5958c`	Southwest Airlines Co	ACTIVE	Unassigned	6.0 years
N460WN	Boeing 737-700	`a59b9c`	Southwest Airlines Co	ACTIVE	Unassigned	6.8 years
N461WN	Boeing 737-700	`a59f53`	Southwest Airlines Co	ACTIVE	Unassigned	7.2 years
N462WN	Boeing 737-700	`a5a30a`	Southwest Airlines Co	ACTIVE	Unassigned	7.6 years
N463WN	Boeing 737-700	`a5a6c1`	Southwest Airlines Co	ACTIVE	Unassigned	4.0 years
N464WN	Boeing 737-700	`a5aa78`	Southwest Airlines Co	ACTIVE	Unassigned	4.4 years
N465WN	Boeing 737-700	`a5ae2f`	Southwest Airlines Co	ACTIVE	Unassigned	4.8 years
N466WN	Boeing 737-700	`a5b1e6`	Southwest Airlines	ACTIVE	Unassigned	5.2 years
N467WN	Boeing 737-700	`a5b59d`	Southwest Airlines Co	ACTIVE	Unassigned	5.6 years
N468WN	Boeing 737-700	`a5b954`	Southwest Airlines Co	ACTIVE	Unassigned	6.0 years
N470WN	Boeing 737-700	`a5c31b`	Southwest Airlines Co	ACTIVE	Unassigned	7.2 years
N472WN	Boeing 737-700	`a5ca89`	Southwest Airlines Co	ACTIVE	Unassigned	4.0 years

Weekly Active vs Stored Airframes

Inferred Route Network

Observed airport pair connections during the 8-week rolling observation window.

Origin Airport	Destination Airport	Observed Weekly Flights	Status
KCAK	KATL	14 flights/week	Active Daily
KCAK	KBOS	14 flights/week	Active Daily
KCAK	KDEN	14 flights/week	Active Daily
KCAK	KLGA	14 flights/week	Active Daily
KCAK	KMCO	14 flights/week	Active Daily
KCAK	KTPA	14 flights/week	Active Daily
KALB	KBWI	14 flights/week	Active Daily
KALB	KFLL	14 flights/week	Active Daily
KALB	KLAS	14 flights/week	Active Daily
KALB	KMCO	14 flights/week	Active Daily
KALB	KMDW	14 flights/week	Active Daily
KALB	KTPA	14 flights/week	Active Daily
KABQ	KBWI	14 flights/week	Active Daily
KABQ	KDAL	14 flights/week	Active Daily
KABQ	KDEN	14 flights/week	Active Daily
KABQ	KHOU	14 flights/week	Active Daily
KABQ	KLAS	14 flights/week	Active Daily
KABQ	KLAX	14 flights/week	Active Daily
KABQ	KMCI	14 flights/week	Active Daily
KABQ	KMDW	14 flights/week	Active Daily
KABQ	KOAK	14 flights/week	Active Daily
KABQ	KPDX	14 flights/week	Active Daily
KABQ	KPHX	14 flights/week	Active Daily
KABQ	KSAN	14 flights/week	Active Daily
KABQ	KSEA	14 flights/week	Active Daily

Historical Incidents

No major fatal incidents recorded in the safety directory for Southwest Airlines.

Latest News Mentions

No recent news headlines tagged for this airline.

Age Bracket	Airframe Count
0-4 yrs	26
5-9 yrs	49
10-14 yrs	0
15-19 yrs	0
20+ yrs	0

Week	Active	Idle	Stored
W34	871	2	2
W35	873	1	1
W36	874	1	0
W37	875	0	0