United Airlines operates a fleet of 194 Boeing 737 MAX aircraft, of which 109 are the shorter 737 MAX 8 with an average age of 2.4 years. One of the most efficient narrowbody aircraft on the market is utilized on major domestic and international routes. With the type’s operational range of 4,000 miles, United Airlines utilizes a large number of its aircraft on routes over 2,400 miles. This article explores some of the longest routes the airline offered on its 737 MAX 8 fleet in January, with data from Cirium, an aviation analytics company.

10

Los Angeles (LAX) <> Kahului (OGG), Hawaii

One-way flight distance: 2,486 miles

Origin

Destination

Number of flights in January

Seats per departure

Total number of seats in January

Available Seat Miles (ASMs)

LAX

OGG

37

166

6,142

15 million

OGG

LAX

37

166

6,142

15 million

United Airlines Boeing 737 MAX 8 landing

Photo: Angel DiBilio | Shutterstock

At the bottom of our list of United Airlines Boeing 737 MAX 8 routes longer than 2,400 miles is a scheduled flight between Los Angeles International (LAX) and Kahului in Maui at a distance of 2,486 miles. The airline operates 37 round-trip flights between the city pair, offering 12,284 seats in January. With an average of 166 seats per departure, the airline offers over 30 million Available Seat Miles (ASMS).

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9

San Francisco (SFO) <> Philadelphia (PHL)

One-way flight distance: 2,521 miles

Origin

Destination

Number of flights in January

Seats per departure

Total number of seats in January

Available Seat Miles (ASMs)

SFO

PHL

32

166

5,312

27 million

PHL

SFO

32

166

5,312

27 million

United Airlines Boeing 737 MAX 8 final approach shutterstock_2469495333

Photo: Angel DiBilio | Shutterstock

United Airlines operates a scheduled Boeing 737 MAX 8 service from one of its major hubs in San Francisco (SFO) and Philadelphia International Airport (PHL) in Pennsylvania, at a distance of 2,521 miles. The airline operates 32 round-trip flights between the city pair, offering 10,624 seats in January. With an average of 166 seats per departure, the airline offers nearly 27 million Available Seat Miles (ASMs).

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8

Houston (IAH), TX <> Trinidad and Tobago (POS)

One-way flight distance: 2,562 miles

Origin

Destination

Number of flights in January

Seats per departure

Total number of seats in January

Available Seat Miles (ASMs)

IAH

POS

31

166

5,146

13 million

POS

IAH

31

166

5,146

13 million

Another major United Airlines Boeing 737 MAX 8 route, this time from its Texas hub at Houston George Bush International Airport (IAD) serving the island of Trinidad and Tobago via Piarco International Airport (POS) with a flight distance of 2,562 miles. The airline operates 31 round trip flights between the city pair, offering 10,292 seats in January. With an average of 166 seats per departure, the airline offers over 26 million Available Seat Miles (ASMs).

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7

San Francisco (SFO) <> Fort Lauderdale (FLL)

One-way flight distance: 2,583 miles

Origin

Destination

Number of flights in January

Seats per departure

Total number of seats in January

Available Seat Miles (ASMs)

SFO

FLL

51

166

8,466

22 million

FLL

SFO

51

166

8,466

22 million

United Boeing 737 MAX8 parked at gate at FLL

Photo: Lukas Souza | Simple Flying

Another scheduled United Airlines Boeing 737 MAX 8 service from San Francisco (SFO) is to Fort Lauderdale-Hollywood International Airport (FLL) in Florida, with a distance of 2,583 miles. The airline operates 51 round trip flights between the city pair, offering 16,932 seats in January. With an average of 166 seats per departure, the airline offers nearly 44 million Available Seat Miles (ASMs).

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6

San Francisco (SFO) <> Miami (MIA)

One-way flight distance: 2,585 miles

Origin

Destination

Number of flights in January

Seats per departure

Total number of seats in January

Available Seat Miles (ASMs)

SFO

MIA

47

166

7,802

20 million

MIA

SFO

47

166

7,802

20 million

A United Airlines Boeing 737 MAX Markus Mainka-1

Photo: Markus Mainka | Shutterstock

Just above the previous route is another United Airlines Boeing 737 MAX 8 route from San Francisco to Miami International Airport (MIA), with a distance of 2,585 miles. The airline operates 47 round trip flights between the city pair, offering 15,604 seats in January. With an average of 166 seats per departure, the airline offers over 40 million Available Seat Miles (ASMs).

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5

Los Angeles (LAX) <> Lihue, Kauai (LIH), Hawaii

One-way flight distance: 2,615 miles

Origin

Destination

Number of flights in January

Seats per departure

Total number of seats in January

Available Seat Miles (ASMs)

LAX

LIH

15

166

2,490

6.5 million

LIH

LAX

15

166

2,490

6.5 million

Another Hawaii route from Los Angeles is to the state-owned public-use Lihue Airport, located on the southeast coast of the island of Kauai in Hawaii, a distance of 2,615 miles. The airline operates 15 round-trip flights between the city pairs, offering 4,980 seats in January. With an average of 166 seats per departure, the airline offers over 13 million Available Seat Miles (ASMs).

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4

Los Angeles (LAX) <> San Juan (SJO), Costa Rica

One-way flight distance: 2,721 miles

Origin

Destination

Number of flights in January

Seats per departure

Total number of seats in January

Available Seat Miles (ASMs)

LAX

SJO

13

166

2,158

6 million

LIH

LAX

13

166

2,158

6 million

United 737 MAX 8

Photo: HMBSoFL Photography | Shutterstock

Another major United Boeing 737 MAX 8 route from Los Angeles is to Juan Santamaria International Airport (SJO) in the capital of Costa Rica, with a distance of 2,721 miles. Named after Costa Rica’s national hero, Juan Santamaria, it is the largest and busiest airport in the country. United Airlines operates 13 round-trip flights between the two cities, offering 4,316 seats in January. With an average of 166 seats per departure, the airline offers nearly 12 million Available Seat Miles (ASMs).

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3

Denver (DEN) <> San Juan, Puerto Rico (SJU)

One-way flight distance: 2,732 miles

Origin

Destination

Number of flights in January

Seats per departure

Total number of seats in January

Available Seat Miles (ASMs)

DEN

SJU

25

166

4,150

11.5 million

SJU

DEN

25

166

4,150

11.5 million

Another major international route for United’s Boeing 737 MAX 8 is between Denver International Airport (DEN) and Luis Muñoz Marin International Airport (SJU) in San Juan, Puerto Rico, with a distance of 2,732 miles. Serving over 12 million passengers in 2023, SJU is the busiest airport in the Caribbean. United Airlines operates 25 round-trip flights between the two cities, offering 8,300 seats in January. With an average of 166 seats per departure, the airline offers nearly 23 million Available Seat Miles (ASMs).

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2

Houston (IAH), TX <> Timehri, Guyana (GEO)

One-way flight distance: 2,901 miles

Origin

Destination

Number of flights in January

Seats per departure

Total number of seats in January

Available Seat Miles (ASMs)

IAH

GEO

17

166

2,822

9 million

GEO

IAH

18

166

2,988

8 million

Another major United Airlines Boeing 737 MAX 8 route from its Houston-George Bush hub is to Cheddi Jagan International Airport (GEO) in Guyana, which has a flight distance of 2,901 miles. The airline operates 18 round-trip flights between the city pairs, offering 5,810 seats in January. With an average of 166 seats per departure, the airline offers nearly 17 million Available Seat Miles (ASMs).

2MP_of_United Airlines Boeing 737 8 MAX (N37295) Landing at PDX on Wet Runway_01 (1)

Photo: Joe Kunzler | Simple Flying

1

San Francisco (SFO) <> Guanacaste, Liberia (LIR), Costa Rica

One-way flight distance: 2,946 miles

Origin

Destination

Number of flights in January

Seats per departure

Total number of seats in January

Available Seat Miles (ASMs)

SFO

LIR

1

166

166

500K

LIR

SFO

1

166

166

500K

Topping our list of United Airlines Boeing 737 MAX 8 routes longer than 2,400 miles is a flight between San Francisco (SFO) and Liberia International Airport (LIR), one of four international airports in Costa Rica, with a distance of 2,946 miles. The airline operates just one round trip flight between the city pair, offering 332 seats in January. With an average of 166 seats per departure, the airline offers nearly one million Available Seat Miles (ASMs).

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