Southwest Airlines 737 MAX 8

WN

Narrow-body jet

Fleet as reported in the 2025 annual filing · Registry & ages refreshed Nov 1, 2026

Busiest US routes for Southwest Airlines 737 MAX 8, by departures: HNL–OGG, HNL–ITO, HNL–LIH, HNL–KOA, DEN–PHX, DAL–LAS, BWI–MCO, MDW–PHX, LAS–OAK, LAS–SJC, LAS–PHX, DEN–LAS, LAS–SMF, DAL–DEN, LAS–SANLASHNLPHXDENOGGDALITOLIHKOA
Southwest Airlines's busiest 737 MAX 8 routes, by departures — line weight is departures flown, dots are the airports it connects. Great-circle paths from US DOT T-100, trailing 12 months through July 2026.
Passengers flown a year
67.3M
2nd-largest Southwest Airlines sub-fleet
Airframes in the filing
300
Airports served
113
Countries
9
Departures a day
1,426
Average age
4.0 yr

How Southwest Airlines flies its 737 MAX 8

Filed traffic data

The count above is the 737 MAX 8 airframes Southwest Airlines owns (US DOT Form 41). This is how it actually flew them to 113 airports across 9 countries — the capacity and busiest routes filed with US DOT T-100 over the trailing 12 months.

Departures flown

520,444

July 2026

Seats flown

91,077,700

Passengers

67.3M

Load factor

77.9%

RPM ÷ ASM

Block hours

1,228,055

Southwest Airlines's busiest 737 MAX 8 routes

Its busiest 737 MAX 8 routes over the trailing 12 months, by departures.

All Southwest Airlines 737 MAX 8 destinations →

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 · 724 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)

45m block · 565 departures · 70% load

Flown by Southwest Airlines. About 45m of block time, most of it connecting traffic feeding the hub.

Source: US DOT Bureau of Transportation Statistics, T-100 Segment. Data through July 2026.

Where Southwest Airlines flies the 737 MAX 8 from

Southwest Airlines flies its 737 MAX 8 from 113 US airports in 9 countries. The busiest, by departures:

  • DEN

    Denver

    36,405 departures · 83 routes

    7.1%

    Share

  • LAS

    Las Vegas

    33,902 departures · 69 routes

    6.6%

    Share

  • MDW

    Chicago

    27,124 departures · 72 routes

    5.3%

    Share

  • PHX

    Phoenix

    26,589 departures · 52 routes

    5.2%

    Share

  • BWI

    Baltimore

    25,866 departures · 62 routes

    5.1%

    Share

  • DAL

    Dallas

    23,984 departures · 60 routes

    4.7%

    Share

  • BNA

    Nashville

    22,663 departures · 68 routes

    4.4%

    Share

  • MCO

    Orlando

    20,674 departures · 52 routes

    4.1%

    Share

  • HOU

    Houston

    18,707 departures · 52 routes

    3.7%

    Share

  • AUS

    Austin

    14,628 departures · 46 routes

    2.9%

    Share

Browse all airports →

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?

Southwest Airlines 737 MAX 8 — airframes by age (years)

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.

Oldest airframeN8710MBoeing 737 MAX 89.2 yr · Delivered Aug 25, 2017
Newest airframeN8986QBoeing 737 MAX 80.9 yr · Delivered Dec 21, 2025

See all 300 737 MAX 8 tail numbers in Southwest Airlines's fleet →

Monthly Southwest Airlines 737 MAX 8 capacity

38.8K
37.9K
41.7K
40.1K
43.2K
39.4K
38.1K
46.5K
46K
48K
49.4K
51.3K
AugSepOctNovDecJanFebMarAprMayJunJul
Monthly Southwest Airlines 737 MAX 8 departures across US routes, trailing 12 months through July 2026. Peak month in solid ink.

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 113 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 4.0 yr, ranging from 0.9 yr to 9.2 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.

Inventory: US DOT Form 41 Schedule B-43 (2025). Deliveries: Airbus & Boeing official reports. Registry status: FAA. Last refreshed Nov 1, 2026.