United Airlines 737 MAX 8
UANarrow-body jet
Fleet as reported in the 2025 annual filing · Registry & ages refreshed Oct 1, 2026
- Passengers flown a year
- 19.2M
- 3rd-largest United Airlines sub-fleet
- Airframes in the filing
- 123
- Airports served
- 109
- Countries
- 30
- Departures a day
- 392
- Average age
- 3.3 yr
How United Airlines flies its 737 MAX 8
Filed traffic dataThe count above is the 737 MAX 8 airframes United Airlines owns (US DOT Form 41). This is how it actually flew them to 109 airports across 30 countries — the capacity and busiest routes filed with US DOT T-100 over the trailing 12 months.
Departures flown
143,065
July 2026
Seats flown
23,746,890
Passengers
19.2M
Load factor
82.3%
RPM ÷ ASM
Block hours
516,152
United Airlines's busiest 737 MAX 8 routes
Its busiest 737 MAX 8 routes over the trailing 12 months, by departures.
3,268 departures · 482,727 passengers · 1,620 mi
89.0%
Load
Kahului – San Francisco (OGG–SFO)
2,536 departures · 352,107 passengers · 2,338 mi
83.6%
Load
2,228 departures · 317,211 passengers · 2,227 mi
85.8%
Load
2,052 departures · 289,711 passengers · 846 mi
85.0%
Load
Houston – San José (IAH–SJO)
1,887 departures · 275,835 passengers · 1,552 mi
88.1%
Load
Newark – West Palm Beach (EWR–PBI)
1,835 departures · 245,484 passengers · 1,024 mi
80.6%
Load
1,823 departures · 194,961 passengers · 120 mi
64.4%
Load
1,665 departures · 247,339 passengers · 997 mi
89.5%
Load
Guatemala City – Houston (GUA–IAH)
1,624 departures · 247,761 passengers · 1,103 mi
91.9%
Load
1,541 departures · 220,702 passengers · 2,133 mi
86.3%
Load
1,486 departures · 211,169 passengers · 1,346 mi
85.6%
Load
Newark – Mexico City (EWR–MEX)
1,427 departures · 197,583 passengers · 2,076 mi
83.4%
Load
Washington – San Francisco (DCA–SFO)
1,424 departures · 201,850 passengers · 2,442 mi
85.4%
Load
Bogota – Houston (BOG–IAH)
1,410 departures · 205,685 passengers · 2,223 mi
87.9%
Load
1,356 departures · 191,426 passengers · 1,068 mi
85.0%
Load
The longest and shortest United 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
3,370 mi
7h 14m block · 200 departures · 82% load
Flown by United 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
86 mi
San Francisco – Sacramento (SFO–SMF)
58m block · 77 departures · 54% load
Flown by United Airlines. About 58m 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 United Airlines flies the 737 MAX 8 from
United Airlines flies its 737 MAX 8 from 109 US airports in 30 countries. The busiest, by departures:
- EWR
18,534 departures · 57 routes
14.0%
Share
- SFO
12,918 departures · 45 routes
9.7%
Share
- IAH
11,943 departures · 45 routes
9.0%
Share
- DEN
11,013 departures · 56 routes
8.3%
Share
- ORD
5,799 departures · 38 routes
4.4%
Share
- LAX
3,737 departures · 18 routes
2.8%
Share
- IAD
3,691 departures · 27 routes
2.8%
Share
- SNA
3,137 departures · 5 routes
2.4%
Share
- LGA
2,919 departures · 3 routes
2.2%
Share
- LAS
2,515 departures · 5 routes
1.9%
Share
Where the 737 MAX 8 sits in United Airlines's fleet
The 737 MAX 8 is 11.4% of United Airlines's 1,076 tracked mainline aircraft.
Share of United Airlines's mainline fleet · each type a slice
Other United Airlines types
How old is the United 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 123 737 MAX 8 tail numbers in United Airlines's fleet →
Monthly United Airlines 737 MAX 8 capacity
Frequently asked
How many 737 MAX 8 does United Airlines have?
United Airlines operates about 123 737 MAX 8 aircraft — 123 in service and 0 stored in its latest US DOT fleet filing.
Where does United Airlines fly the 737 MAX 8?
United Airlines flies its 737 MAX 8 to about 109 US airports across 30 countries, its busiest route being DEN–LGA.
How old are United Airlines's 737 MAX 8?
United Airlines's 737 MAX 8 fleet averages about 3.3 yr, ranging from 1.4 yr to 7.7 yr.
What is the longest 737 MAX 8 route United Airlines flies?
The longest 737 MAX 8 route United Airlines flew over the trailing 12 months is ANC–EWR, about 3,370 miles.