The Boeing 737-800 is the workhorse of modern commercial aviation. As the most popular variant of the 737 Next Generation (737NG) family, it has carried more passengers than almost any other commercial jet ever built. Whether you’re flying a budget carrier in Europe or a full-service airline in Asia, there’s a good chance your plane is a 737-800.
History
Boeing introduced the 737NG family in the 1990s as a complete redesign of the aging 737 Classic series. The -800 variant, launched to replace the 737-400, entered service with Hapag-Lloyd Flug in April 1998. It immediately found favor with airlines worldwide for its combination of range, capacity, and operating economy.
By the time production wound down in 2020, Boeing had delivered over 4,900 aircraft — a record for a single commercial airliner variant. The 737-800 became the foundation of fleets at Southwest Airlines, Ryanair, and hundreds of other carriers.
What Makes It Special
The 737-800 sits in a sweet spot: large enough to serve busy routes profitably, small enough to fly thinner markets economically. At 162 seats in a typical two-class layout, it can fill up quickly, which is why low-cost carriers love it. Ryanair, for example, operates an all-737-800 fleet configured for 197 seats — among the densest layouts ever certified.
The CFM56-7B engines are known for reliability. Airlines accumulate extraordinary cycles (takeoffs and landings) on 737-800s without major issues, which keeps maintenance costs low over the aircraft’s lifespan.
In Service Today
The 737-800 remains in widespread service despite being replaced in new orders by the 737 MAX 8. Its sheer numbers — thousands of aircraft across hundreds of operators — guarantee it will be a common sight in the sky for years to come.
When you see a single-aisle jet at a gate in almost any airport around the world, there’s roughly a 1-in-5 chance it’s a 737-800.
Spotting Tips
- Winglets: The 737-800 features distinctive split scimitar or blended winglets on most aircraft built after 2001
- Engine nacelles: The CFM56 engines have a slightly flattened bottom — the nacelles can’t hang far below the wing due to the 737’s low ground clearance
- Fuselage: Look for the longer fuselage compared to the 737-700, with six over-wing exits rather than four
- Tail: The 737 has a distinctive pointed tail cone compared to the more blunt A320 family
Specifications
| ICAO type code | B738 |
|---|---|
| Length | 39.5 m (129 ft 6 in) |
| Wingspan | 35.8 m (117 ft 5 in) |
| Height | 12.5 m (41 ft 2 in) |
| Engines | 2× CFM56-7B (27,300 lbf each) |
| Cruise speed | Mach 0.82 (842 km/h / 524 mph) |
| Service ceiling | 12,500 m (41,000 ft) |
| Typical seating | 162 (typical) / 189 (max) |
| First flight | 1998-07-31 |