Boeing 767-400ER

Updated: October 2026 – A slender twinjet taxis to the runway, and something is off about the proportions: For a 767 it is astonishingly long, and the wings do not end in a tall winglet but taper to a point, swept back. Then you are very likely looking at a Boeing 767-400ER – the longest and rarest passenger 767. Only 38 were built, and in scheduled service they wear exclusively the colors of Delta and United. Here you will learn how to identify it reliably, how it differs from its sisters and from the A330 and 787, and how to catch it on purpose.

What is the Boeing 767-400ER?

In the mid-1990s several US airlines were looking for a successor to their aging three-engine jets. Delta needed a replacement for the Lockheed L-1011 TriStar, Continental for the McDonnell Douglas DC-10. At the same time Airbus was pushing into exactly this market segment with the A330-200. Boeing answered not with a new aircraft but with a further stretch of the proven 767.

Delta Air Lines fired the starting gun in March 1997 with its order, and Continental Airlines followed in October of the same year. In August 1999 the first aircraft rolled out of the hangar, and the first flight followed on October 9, 1999. Certification came in summer 2000, and on September 14, 2000 Continental flew the type in scheduled service for the first time. The US aviation authority FAA had approved operation under ETOPS-180 rules even before entry into service – so the -400ER was allowed to cross the Atlantic from the very start.

Compared with the 767-300ER the fuselage grew by a good six meters. Even the preliminary project 767-400X promised about twelve percent more capacity than the 767-300. Typical was 245 seats in three classes. You will find more about the manufacturer’s history on the page about Boeing.

A bit of 777 in the 767

The -400ER is more than a stretched -300ER. Boeing took the opportunity to adopt technology from the then-new Boeing 777 – and that shows inside and out.

Cockpit: Instead of the CRT screens of older 767s, the pilots sit in front of six large LCD displays from Rockwell Collins. Layout and presentation are modeled on the 777 and the 737NG of the time. The screens can also show the information in the format of the older 767, however, so pilots can still switch between the variants.

Cabin: The -400ER was the first aircraft with the Boeing Signature Interior, a cabin design in the style of the 777 with curved ceiling panels and larger overhead bins. The windows were also derived from the 777 and are larger than on the other 767s. Boeing later adopted this cabin for all newly built 767s.

Landing gear: Because the longer fuselage would strike the tail on the runway more easily on rotation, the -400ER got a taller main gear – according to common reference sources about 46 cm longer – with wheels, tires and brakes from the 777. In addition, an extendable tail skid protects on steep takeoffs and landings.

Wing: The most distinctive components are the raked wingtips. The wingtips were extended and taper off strongly swept back. As a result the wingspan grew by a good four meters to about 51.9 m. You will find this concept again later on the Boeing 777-300ER and the 787.

Propulsion: Both airline customers chose the General Electric CF6-80C2B8F with about 270 kN of thrust per engine. Because the fuel capacity did not grow but the aircraft got heavier, the range of about 10,400 km is below that of the -300ER. It is still plenty for transatlantic routes.

The features that are enough to identify it

For the 767-400ER you need four observations. Two of them already work from a long distance.

In the end the registration confirms the type. Because only 38 aircraft exist, every single one can be looked up unambiguously in a fleet database – how to find an aircraft specifically via its registration is shown in the article Tracking an aircraft by registration.

767-200, -300ER or -400ER?

All passenger 767s share the slender fuselage cross-section with 2-3-2 seating in economy, the pointed tail and the four-wheel main gear. The differences lie in length and wingtips.

Feature	767-200ER	767-300ER	767-400ER
ICAO type designator	B762	B763	B764
Length	approx. 48.5 m	54.94 m	approx. 61.4 m
Wingspan	47.57 m	47.57 m (without winglets)	approx. 51.9 m
Wingtips	without or with retrofitted winglets	without or with blended winglets	raked wingtips swept back
Cockpit	classic 767 cockpit	classic 767 cockpit	large LCD displays in 777 style
Look in photos	stubby, short	balanced	very long and stretched

The 767-200 is hardly seen in passenger service anymore. The -300ER, by contrast, you still meet regularly, and many of them carry tall blended winglets. They are the exact opposite of the -400ER wingtips – that is exactly how you tell the two apart fastest. How the 767 as a whole differs from its narrower sister is explained in the article Telling the Boeing 757 and 767 apart.

767-400ER, A330 or Boeing 787?

The longest 767 has a similar overall length to an A330-300. That is why a look at the details is worthwhile. The finder helps you narrow it down.

The most dangerous mix-up is in fact the 787: Both have raked wingtips, and both fly with Delta and United. The 787, however, has a wider, rounder fuselage, chevrons on the engines and a much stronger wing bend in flight. You rule out the 777 by the six-wheel main gear and the flat, blade-like tail. For the basics of type identification, Identifying aircraft types for beginners helps you.

The operators: Delta and United

In scheduled service there were only two customers – and it has stayed that way. 37 aircraft went to the two airlines, with deliveries running until early 2009. A 38th aircraft was built as a test aircraft for the US Air Force’s later-cancelled E-10 surveillance program and was then sold as a VIP jet to Bahrain Royal Flight. Boeing stopped the planned long-range version, the 767-400ERX with more fuel volume and more powerful engines, in 2001; the only customer, Kenya Airways, switched to the 777-200ER.

Delta Air Lines

Delta is the largest operator with 21 aircraft, according to the fleet overview of fall 2026. The airline uses the type with four cabin classes and about 240 seats. While Delta plans to retire its older 767-300ERs by around 2030, the -400ERs are to keep flying according to industry reports. The home of the Delta fleet is Atlanta Airport, Delta’s largest hub. Delta belongs to the SkyTeam alliance.

United Airlines (formerly Continental)

The 16 aircraft of United Airlines all come from Continental Airlines. The airline had ordered the type new and was the first to put it into scheduled service. After the merger of United and Continental in 2010 the aircraft moved into the United fleet. Continental was strongly represented at hubs such as Newark Airport and Houston. United is a member of the Star Alliance.

Airline	Fleet (as of fall 2026)	Alliance	Note
Delta Air Lines	21	SkyTeam	largest operator, hub Atlanta
United Airlines	16	Star Alliance	former Continental aircraft
Bahrain Royal Flight	1	–	VIP jet, former test aircraft

That means practically all airline aircraft built are still in service – one reason why the -400ER is not a pure museum type despite its rarity. How rare such a sighting is compared with other types, you can gauge with the article How rare is my sighting?.

Where to find the 767-400ER

In Europe the -400ER is a classic transatlantic visitor. From their US hubs Delta and United serve numerous European destinations with widebody jets, including airports in the DACH region (Germany, Austria and Switzerland). Which type flies on which route is not fixed, though: Sometimes a 767-300ER comes, sometimes a 787, sometimes a -400ER. That is why a look at the live tracking service is worthwhile here, not at old flight plan lists.

Place	Chance of a hit	Why
Frankfurt	low to medium	Largest German hub with many US connections
Munich, Zurich	low	US connections exist, type changes depending on the timetable
Atlanta, Newark	high	Hubs of Delta and United in the US
Smaller regional airports	very low	At most diversions or charters

At Frankfurt Airport the Zeppelinheim viewing platform is a good starting point, and the Frankfurt spotting guide presents further locations. In Munich the visitors’ hill is a good choice, in Zurich observation deck B.

Flights from North America mostly land in Europe in the morning, and the return flights often depart around midday. That gives you a manageable time window. How to follow such flights live is explained in the guide to flight tracking with ADS-B. Which runway the aircraft uses depends on the runway direction in use – more on that in the article Understanding runway direction at an airport.

Whether your vantage point is legally unproblematic is clarified in the article Is plane spotting allowed?.

Photo tips specifically for the 767-400ER

The -400ER is an elegant, long subject. A few points help you capture exactly what is typical.

When the light fits, you calculate in advance with the guide Planning the sun position for your photo spot. If you are generally hunting for exotics, the article Spotting rare aircraft is also worthwhile.

Common mix-ups and how to rule them out

Conclusion

The 767-400ER is an announced exotic: only 38 built, only two airline customers, but almost all aircraft still in service. The long tube, raked wingtips and tall four-wheel gear give away the type, the Delta or United livery confirms the suspicion, and the registration provides the proof. If you want to catch one in the DACH region, you need a bit of luck with the flight plan and the right eye on the tracking service.