Boeing 737-700 Vs 737-800: A Detailed Comparison

If you’re looking to fly on a Boeing 737 anytime soon and are wondering about the differences between the 737-700 vs. the 737-800, you’ve come to the right place. These aircraft may look quite similar from the outside, but under the surface, there are several key differences that are worth understanding.

If you are short on time, the quick answer is that the 737-800 is a bit larger than the 737-700, can carry more passengers and cargo, and has a longer range. However, both aircraft share many similarities as members of Boeing’s very successful 737 Next Generation family.

In this comprehensive, 3000+ word guide, we will compare the 737-700 and 737-800 across various metrics like seating capacity, range, dimensions, engines, performance specifications, common routes they fly, overall passenger experience, and more.

Read on to become an expert on how these workhorse narrowbody Boeing jets differ!

Seating Capacity

Number of Passengers

When it comes to the number of passengers, the Boeing 737-700 and 737-800 have some differences. The 737-700 typically seats around 126 passengers in a two-class configuration, with 12 first class seats and 114 economy class seats.

On the other hand, the 737-800 has a higher seating capacity, accommodating around 162 passengers in a two-class layout. This includes 16 first class seats and 146 economy class seats. It’s important to note that these numbers can vary depending on the specific airline’s configuration and seat arrangement.

Cabin Layout and Comfort

Both the Boeing 737-700 and 737-800 offer a comfortable cabin layout for passengers. The 737-700 provides a spacious and cozy environment with ample legroom and comfortable seating. Passengers can expect a pleasant flying experience, whether they are seated in the first class or economy class section.

The 737-800, on the other hand, offers an even more spacious cabin with enhanced comfort features. With a larger seating capacity, there is more room for passengers to stretch their legs and move around.

The cabin design of the 737-800 is optimized to provide a pleasant and relaxing atmosphere for passengers during their flight.

Both aircraft models are designed with passenger comfort in mind, featuring modern amenities such as advanced climate control systems, mood lighting, and noise-reducing technology. These features contribute to a more enjoyable and comfortable flying experience for passengers on both the Boeing 737-700 and 737-800.

For more information, you can visit the official Boeing website at

Dimensions and Layout


The Boeing 737-700 and 737-800 differ in length. The 737-700 has a length of approximately 110 feet 4 inches (33.6 meters), while the 737-800 is slightly longer, measuring around 129 feet 6 inches (39.5 meters).

This additional length in the 737-800 allows for more seating capacity and cargo space, making it a popular choice for airlines with higher passenger demand.


When it comes to wingspan, the 737-700 and 737-800 have similar measurements. The wingspan of both aircraft is approximately 117 feet 7 inches (35.8 meters). This wingspan provides the necessary lift and stability for the aircraft during flight, ensuring a safe and comfortable journey for passengers.

Tail Height

The tail height of an aircraft plays a crucial role in maintaining stability during flight. The 737-700 has a tail height of approximately 41 feet 3 inches (12.6 meters), while the 737-800 has a slightly taller tail, measuring around 41 feet 2 inches (12.6 meters).

Although the difference in tail height is minimal, it can have an impact on the overall aerodynamics and handling characteristics of the aircraft.

Fuselage Width

The width of the fuselage determines the seating arrangement and comfort level for passengers. Both the 737-700 and 737-800 have a common fuselage width of approximately 12 feet 4 inches (3.76 meters).

This width allows for efficient seating configurations, giving passengers ample legroom and comfort during their journey.

For more detailed information on the dimensions and layout of the Boeing 737-700 and 737-800, you can visit the official Boeing website at

Performance and Specifications

Cruise Speed

The Boeing 737-700 and 737-800 are both known for their impressive cruise speeds. The 737-700 has a maximum cruise speed of approximately 530 knots (610 mph), while the 737-800 can reach speeds of around 530 knots (610 mph) as well.

These speeds allow for efficient and timely travel, ensuring that passengers reach their destinations in a timely manner.

Maximum Range

When it comes to long-haul flights, the maximum range of an aircraft is crucial. The Boeing 737-700 has a maximum range of approximately 3,340 nautical miles, making it suitable for medium-haul flights.

On the other hand, the 737-800 has a slightly longer range, with a maximum range of around 3,825 nautical miles. This makes the 737-800 better suited for longer flights, making it a preferred choice for airlines operating on international routes.

Takeoff Field Length

The takeoff field length is an important consideration for airlines as it determines the type of airports the aircraft can operate from. The Boeing 737-700 requires a takeoff field length of around 7,500 feet, while the 737-800 needs approximately 8,300 feet.

This means that the 737-800 requires slightly more runway length for takeoff, which may limit its operations at certain airports with shorter runways.

Maximum Takeoff Weight

The maximum takeoff weight (MTOW) of an aircraft is another critical factor to consider. The 737-700 has a maximum takeoff weight of approximately 154,500 pounds, while the 737-800 has a higher MTOW of around 174,200 pounds.

This higher MTOW allows the 737-800 to carry more passengers, cargo, or fuel, making it a more versatile option for airlines.

Fuel Capacity

When it comes to fuel efficiency, the 737-700 and 737-800 are quite similar. The 737-700 has a fuel capacity of approximately 6,875 US gallons, while the 737-800 can hold around 7,837 US gallons of fuel.

Both aircraft are designed to be fuel-efficient, helping airlines reduce operating costs and minimize their environmental impact.

Engines and Fuel Efficiency

Both the Boeing 737-700 and 737-800 are equipped with advanced engines that are known for their fuel efficiency. The 737-700 typically uses CFM56-7 engines, while the 737-800 is often powered by either CFM56-7B or CFM56-7BE engines.

These engines provide excellent fuel economy, helping airlines to save on fuel expenses and reduce carbon emissions.

For more detailed technical specifications and information about the Boeing 737-700 and 737-800, you can visit Boeing’s official website.

Flight Deck and Avionics

The flight deck and avionics of an aircraft play a crucial role in ensuring the safety and efficiency of a flight. When comparing the Boeing 737-700 and 737-800, there are some notable differences in terms of their flight deck and avionics systems.

Flight Deck Layout

The flight deck layout of both the Boeing 737-700 and 737-800 is designed to provide pilots with a user-friendly and intuitive interface. However, there are some differences in the arrangement of certain controls and displays.

The Boeing 737-800 features a glass cockpit, which means that it utilizes electronic displays for flight information instead of traditional analog gauges. This allows for better visibility and easier interpretation of data.

On the other hand, the Boeing 737-700 may still have some analog gauges in its flight deck, although it may also have some digital displays.

Avionics Systems

Both the Boeing 737-700 and 737-800 are equipped with advanced avionics systems that enhance the aircraft’s performance and safety. These systems include navigation, communication, and surveillance equipment.

One of the key differences between the two aircraft is the presence of the Boeing Sky Interior in the 737-800. This interior design incorporates enhanced lighting, larger overhead bins, and sculpted sidewalls, providing a more spacious and comfortable environment for passengers.


Feature Boeing 737-700 Boeing 737-800
Flight Deck Layout May have analog gauges Glass cockpit with electronic displays
Avionics Systems Advanced navigation, communication, and surveillance equipment Advanced navigation, communication, and surveillance equipment; Boeing Sky Interior
Overall, both the Boeing 737-700 and 737-800 have advanced flight deck and avionics systems that ensure a safe and efficient flying experience. The choice between the two models may depend on specific preferences and requirements of the airline operating the aircraft.

Common Routes

Both the Boeing 737-700 and 737-800 are widely used by airlines around the world, and they serve many common routes. These aircraft are part of the Boeing 737 Next Generation (NG) family, which is known for its efficiency and versatility.

Domestic Flights

The Boeing 737-700 and 737-800 are particularly popular for domestic flights within countries. They are often used for short to medium-haul routes, connecting major cities and regional destinations. For example, in the United States, airlines such as Southwest and Alaska Airlines operate these aircraft on popular routes like Los Angeles to Las Vegas or Chicago to New York.

International Flights

While the Boeing 737-700 and 737-800 are primarily used for domestic flights, they are also deployed on some international routes. These aircraft are capable of flying longer distances, making them suitable for regional flights between neighboring countries or to popular vacation destinations.

Airlines like Ryanair in Europe and Gol in South America are known to operate these aircraft on various international routes.

High-Traffic Routes

Due to their popularity and versatility, the Boeing 737-700 and 737-800 are often deployed on high-traffic routes with significant passenger demand. These routes typically connect major hubs and serve a large number of passengers daily.

Examples of such routes include New York to Miami, London to Paris, or Tokyo to Seoul. The reliability and efficiency of these aircraft make them ideal for handling the high volume of passengers.

For more information about specific routes and airlines operating the Boeing 737-700 and 737-800, you can visit FlightStats or FlightAware. These websites provide real-time flight data and can give you insights into the routes these aircraft operate on.

Passenger Experience

When it comes to the passenger experience, both the Boeing 737-700 and the 737-800 offer a comfortable and enjoyable journey. Let’s take a closer look at some key factors that contribute to the overall passenger experience on these aircraft.

Cabin Air Quality and Pressurization

The cabin air quality and pressurization systems play a crucial role in ensuring a pleasant and healthy environment for passengers during the flight. Both the Boeing 737-700 and the 737-800 are equipped with advanced air filtration systems that remove impurities, such as dust and allergens, from the air circulating within the cabin.

This helps to maintain a clean and fresh atmosphere throughout the flight, enhancing the overall comfort of passengers.

The pressurization systems on these aircraft are designed to maintain a cabin altitude equivalent to approximately 6,000 to 8,000 feet above sea level, even when cruising at higher altitudes. This helps to minimize the effects of altitude on passengers, reducing fatigue and discomfort during the flight.

Inflight Entertainment

Both the Boeing 737-700 and the 737-800 offer a range of inflight entertainment options to keep passengers entertained throughout their journey. Passengers can enjoy a variety of movies, TV shows, music, and games, all accessible through individual seatback screens or personal devices.

Some airlines even offer Wi-Fi connectivity, allowing passengers to stay connected and browse the internet during the flight.

With the advancements in technology, the inflight entertainment systems on these aircraft have become more sophisticated and user-friendly, providing a great entertainment experience for passengers of all ages.

Galley and Lavatory Configurations

The galley and lavatory configurations on the Boeing 737-700 and the 737-800 can vary depending on the airline’s preferences and layout. However, in general, both aircraft offer well-designed galleys and lavatories that cater to the needs of passengers and cabin crew.

The galleys are equipped with modern appliances and ample storage space, allowing cabin crew to efficiently prepare and serve meals and beverages throughout the flight. The lavatories are designed to maximize space while providing comfort and convenience to passengers.

It’s important to note that the specific configurations may vary from one airline to another, so it’s always a good idea to check with the airline before your flight to ensure you have the most up-to-date information.


In summary, while the Boeing 737-700 and 737-800 share an overall similar appearance and flight experience as members of the efficient 737 NG family, there are some noteworthy differences when it comes to size, capacity, range and performance.

The 737-800 is a longer fuselage variant with more seating and cargo capacity compared to the 737-700. Its additional fuel tanks also facilitate longer flights up to ~3,200 nmi fully loaded. However the 737-700 has advantages in being able to operate from shorter runways.

Airlines select between these two planes and other 737 variants based on their specific route needs.

So next time you take a flight on one of these workhorse Boeing jets, you can quickly tell the models apart and understand their capabilities. Safe travels!

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