Southwest Airlines 737 MAX 8
WNNarrow-body jet
Fleet as reported in the 2025 annual filing · Registry & ages refreshed Sep 1, 2026
- Passengers flown a year
- 64.7M
- 2nd-largest Southwest Airlines sub-fleet
- Airframes in the filing
- 300
- Airports served
- 111
- Countries
- 9
- Departures a day
- 1,373
- Average age
- 3.8 yr
How Southwest Airlines flies its 737 MAX 8
Filed traffic dataThe count above is the 737 MAX 8 airframes Southwest Airlines owns (US DOT Form 41). This is how it actually flew them to 111 airports across 9 countries — the capacity and busiest routes filed with US DOT T-100 over the trailing 12 months.
Departures flown
501,318
May 2026
Seats flown
87,730,650
Passengers
64.7M
Load factor
77.6%
RPM ÷ ASM
Block hours
1,183,562
Southwest Airlines's busiest 737 MAX 8 routes
Its busiest 737 MAX 8 routes over the trailing 12 months, by departures.
Honolulu, Oahu – Kahului (HNL–OGG)
5,625 departures · 522,022 passengers · 101 mi
53.0%
Load
Honolulu, Oahu – Hilo (HNL–ITO)
3,657 departures · 410,789 passengers · 216 mi
64.2%
Load
Honolulu, Oahu – Lihue, Kauai (HNL–LIH)
3,482 departures · 347,713 passengers · 102 mi
57.1%
Load
Honolulu, Oahu – Kailua-Kona (HNL–KOA)
3,450 departures · 323,095 passengers · 163 mi
53.5%
Load
3,137 departures · 414,908 passengers · 602 mi
75.6%
Load
3,014 departures · 408,498 passengers · 1,067 mi
77.5%
Load
2,717 departures · 381,346 passengers · 407 mi
80.2%
Load
2,684 departures · 394,600 passengers · 1,444 mi
84.0%
Load
Las Vegas – Sacramento (LAS–SMF)
2,679 departures · 358,790 passengers · 397 mi
76.5%
Load
2,664 departures · 352,033 passengers · 628 mi
75.5%
Load
2,651 departures · 341,679 passengers · 787 mi
73.7%
Load
Las Vegas – San Jose (LAS–SJC)
2,634 departures · 333,127 passengers · 386 mi
72.3%
Load
2,622 departures · 332,369 passengers · 651 mi
72.4%
Load
2,564 departures · 291,103 passengers · 255 mi
64.9%
Load
2,477 departures · 310,114 passengers · 879 mi
71.5%
Load
The longest and shortest Southwest Airlines 737 MAX 8 flights
The two ends of the type's working envelope, from the routes it actually flew — not what the airframe is certified to do.
Longest route flown
2,917 mi
Honolulu, Oahu – Phoenix (HNL–PHX)
6h 11m block · 725 departures · 93% load
Flown by Southwest Airlines. A long leg for a narrow-body twin — far enough from a diversion airport that the type carries an ETOPS rating.
Shortest route flown
73 mi
Colorado Springs – Denver (COS–DEN)
46m block · 656 departures · 70% load
Flown by Southwest Airlines. About 46m of block time, most of it connecting traffic feeding the hub.
Source: US DOT Bureau of Transportation Statistics, T-100 Segment. Data through May 2026.
Where Southwest Airlines flies the 737 MAX 8 from
Southwest Airlines flies its 737 MAX 8 from 111 US airports in 9 countries. The busiest, by departures:
- DEN
35,512 departures · 80 routes
7.2%
Share
- LAS
33,310 departures · 69 routes
6.8%
Share
- MDW
26,275 departures · 69 routes
5.3%
Share
- PHX
25,365 departures · 53 routes
5.2%
Share
- BWI
25,108 departures · 62 routes
5.1%
Share
- DAL
23,083 departures · 58 routes
4.7%
Share
- BNA
21,720 departures · 68 routes
4.4%
Share
- MCO
19,838 departures · 54 routes
4.0%
Share
- HOU
18,774 departures · 55 routes
3.8%
Share
- STL
14,086 departures · 44 routes
2.9%
Share
Where the 737 MAX 8 sits in Southwest Airlines's fleet
The 737 MAX 8 is 35.0% of Southwest Airlines's 858 tracked mainline aircraft.
Share of Southwest Airlines's mainline fleet · each type a slice
Other Southwest Airlines types
How old is the Southwest Airlines 737 MAX 8 fleet?
Age is measured from each airframe's delivery date — the FAA airworthiness date where available, otherwise the manufacturer's. Bars share a fixed scale across every fleet page, so two carriers can be compared directly.
See all 300 737 MAX 8 tail numbers in Southwest Airlines's fleet →
Monthly Southwest Airlines 737 MAX 8 capacity
Frequently asked
How many 737 MAX 8 does Southwest Airlines have?
Southwest Airlines operates about 300 737 MAX 8 aircraft — 300 in service and 0 stored in its latest US DOT fleet filing.
Where does Southwest Airlines fly the 737 MAX 8?
Southwest Airlines flies its 737 MAX 8 to about 111 US airports across 9 countries, its busiest route being HNL–OGG.
How old are Southwest Airlines's 737 MAX 8?
Southwest Airlines's 737 MAX 8 fleet averages about 3.8 yr, ranging from 0.7 yr to 9.1 yr.
What is the longest 737 MAX 8 route Southwest Airlines flies?
The longest 737 MAX 8 route Southwest Airlines flew over the trailing 12 months is HNL–PHX, about 2,917 miles.