The Delta Air Lines Fleet – Peculiarities Of a Huge Airline

What is the status of the Delta Air Lines fleet in 2025? Which planes does the airline fly and which manufacturers supply the carrier?

Delta has steadily grown to become the US's largest and most profitable airline. From its hubs it transports passengers across the globe. Such a huge operation needs a just as huge fleet to make all operations flow seamlessly day in and day out. Before kicking things off let's talk about how we got to the modern Delta we all know today. Modern Delta is the result of a series of acquisitions that have taken place during its almost 100 years of activity. From 1929, when it started operations as a small crop dusting airline, to today DL has acquired:

  • Northeast Airlines in 1972
  • Western Airlines in 1987
  • Northwest Airlines in 2008

It is the acquisition of Northwest Airlines which left the strongest mark on Delta's current fleet as we will see.

Delta Air Lines Airbus A350-900 climbing after takeoff from Sydney Airport, with the iconic Sydney Tower and downtown skyline in the background. This new-generation Airbus widebody, part of Delta's ultra-long-range fleet, exemplifies the carrier's Pacific operations strategy, where A350s serve its longest routes. The white aircraft with blue and red tail livery is captured in a climbing angle against the city's distinctive high-rise buildings.
Delta Air Lines Airbus A350-900 climbing after takeoff from Sydney Airport, with the iconic Sydney Tower and downtown skyline in the background. This new-generation Airbus widebody, part of Delta's ultra-long-range fleet, exemplifies the carrier's Pacific operations strategy, where A350s serve its longest routes. The white aircraft with blue and red tail livery is captured in a climbing angle against the city's distinctive high-rise buildings.

The Peculiarity of Delta's Fleet Compared to American and United

When we compare the Delta fleet to those of American Airlines and United one thing sticks out immediately. Delta has the largest number of Airbus produced planes. Something that the airline inherited from the acquisition that moulded the Delta Air Lines we all know today.

The younger readers might not know this but Delta acquired in 2008 struggling carrier Northwest Airlines. Northwest had gone into financial difficulties in the wake of September 11th. With this airline operating most of its European routes with a fleet of Airbus A330s. Also the airline used to have quite a high number of A320s and A319s in its fleet. These planes were used to operate flights domestically.

Therefore once the acquisition was completed Delta incorporated into its own fleet these Airbus planes. From there onwards the airline has continued to have a strong percentage of European manufactured aircraft in its fleet. Still today most long haul operations are offered aboard Airbus A330s or A350s.

To simplify this fleet analysis I'll split it into two. We'll look at the Boeing portion of the fleet and then the Airbus one.

Delta Air Lines Airbus A330-200 taxiing at Amsterdam Schiphol Airport on a misty morning, showcasing Delta's significant Airbus fleet presence inherited from its 2008 Northwest Airlines acquisition. The white aircraft with Delta's distinctive blue and red livery is photographed against a row of bare winter trees, representing one of the carrier's key wide-body aircraft types used for long-haul and ultra-long-range operations.
Delta Air Lines Airbus A330-200 taxiing at Amsterdam Schiphol Airport on a misty morning, showcasing Delta's significant Airbus fleet presence inherited from its 2008 Northwest Airlines acquisition. The white aircraft with Delta's distinctive blue and red livery is photographed against a row of bare winter trees, representing one of the carrier's key wide-body aircraft types used for long-haul and ultra-long-range operations.

The Boeing Fleet – Mainly Older or Narrow Body Planes

Delta operates 4 Boeing aircraft types. However only one of them is a wide body, double aisle, aircraft. The planes are not the most modern or the latest built by the Seattle based manufacturer. That stands as an indication of how much the airline has invested in Airbus products in recent years.

ManufacturerTypeUnits
Boeing Logo Boeing717-20066
Boeing Logo Boeing737-80076
Boeing Logo Boeing737-900162
Boeing Logo Boeing757-20093
Boeing Logo Boeing757-30016
Boeing Logo Boeing767-30040
Boeing Logo Boeing767-40021

The Boeing 737s and 717s are utilized for domestic short and medium haul main line services. They fly only within the United States or on short international routes to central America and Canada. Interestingly Delta doesn't own any 737 MAX planes nor does it own any 777s. A decision which has protected the carrier from disruptions in recent times caused by groundings and certification delays.

Looking at Boeing aircraft that Delta does own and operate in its fleet, the carrier uses both the 767 and 757 on high demand national flights and transatlantic sectors. The 757 is quite the handy plane as it allows to serve secondary airports that can't sustain the capacity of the much larger wide bodies. However these planes are aging and Delta has on order the A321LR and XLR that would be the natural replacement for the 757 on those thin and long routes. also Delta is the largest operator of the 757 worldwide. Although these jets are aging, there isn't a hard date for their retirement.

Date that on the other hand we already have for the retirement of the 767. The twin engine wide body jet should be exiting the Delta fleet by 2030. Just for context, the oldest 767 still operating in Delta's fleet is as old as I am, 34 years old.

Delta Air Lines Airbus A350-900 photographed from below against a bright blue sky, showing its distinctive white fuselage with blue and red livery. This aircraft type represents Delta's modern long-haul fleet strategy, serving as the backbone of their ultra-long-range operations across the Pacific, a key piece of the airline's significant investment in next-generation Airbus aircraft.
Delta Air Lines Airbus A350-900 photographed from below against a bright blue sky, showing its distinctive white fuselage with blue and red livery. This aircraft type represents Delta's modern long-haul fleet strategy, serving as the backbone of their ultra-long-range operations across the Pacific, a key piece of the airline's significant investment in next-generation Airbus aircraft.

Delta's Airbus Fleet – The Backbone Long And ULR Operations

The Airbus portion of the fleet has a heavy presence of smaller single aisle planes used mainly on domestic routes. However the wide bodies present are the backbone of the long range and ultra long range operations for the airline. The airline operates all of its ULR operations across the pacific using its A330s and A350s.

ManufacturerTypeUnits
Airbus Logo AirbusA220-10037
Airbus Logo AirbusA220-30031
Airbus Logo AirbusA319-10048
Airbus Logo AirbusA320-20056
Airbus Logo AirbusA321neo69
Airbus Logo AirbusA321-200127
Airbus Logo AirbusA330-20011
Airbus Logo AirbusA330-30031
Airbus Logo AirbusA330-90033
Airbus Logo AirbusA350-90035

Also we can see Delta onboarding more and more new generation planes such as the A321neo, the A330-900 and the A350. Also regarding the latter of the 3 planes mentions the A350-1000 variant is also expected to enter the Delta fleet in coming years.

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Alex Achille
Alex Achille
Ex Emirates Cabin Crew and long time aviation enthusiast. I can remember loving aviation and planes since I was a very little boy. I have developed my passion into a deep knowledge of the sector and industry to offer on my sites in depth and precise analyses of what is going on. I also completed cabin crew training with Ryanair, however, I never worked for the company (more on that another time). Finally I also have taken flying lessons completing my first solo flights.

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