Delta Air Lines Fleet in 2025

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ATLANTA – Delta Air Lines (DL), one of the world’s largest and most influential carriers, operates a diverse and modern fleet to serve an extensive global network. As of January 2025, the airline’s mainline fleet consists of 986 aircraft, making it the second-largest airline fleet worldwide after United Airlines (UA).

With a strategic mix of narrow-body and wide-body aircraft from both Airbus and Boeing, Delta ensures optimal efficiency across domestic, transcontinental, and long-haul international routes. Delta continues to focus on fleet modernization, gradually phasing out older models while introducing next-generation aircraft such as the Airbus A321neo, A330-900neo, and A350-1000.

Delta Air Lines Fleet

As of January 2025, Delta Air Lines operates a mainline fleet of 986 aircraft, with a strong emphasis on fleet renewal and modernization. Delta continues to replace older aircraft with more fuel-efficient and technologically advanced models while leveraging its TechOps maintenance division to extend the lifespan of select aircraft.

Below is an overview of the aircraft types currently in service followed by those on order:

Airbus A220-100

Delta operates 45 A220-100s, primarily serving domestic and short-haul international routes such as New York to Toronto and Boston to Dallas.
The A220-100 offers improved fuel efficiency, making it an ideal choice for Delta’s network optimization strategy.
Each aircraft features 12 First Class seats, 15 Delta Comfort+ seats, and 82 Main Cabin seats, totaling 109 seats.

Airbus A220-300

The larger variant of the A220 family, Delta has 29 A220-300s in service with 71 more on order.
The A220-300 operates on transcontinental and medium-haul routes, offering an extended range compared to the A220-100.
It features 12 First Class seats, 30 Delta Comfort+ seats, and 88 Main Cabin seats, with a total capacity of 130 passengers.

Airbus A319-100

Delta’s fleet includes 57 A319-100s, primarily deployed on short-haul domestic and regional routes.
These aircraft provide a balance between efficiency and capacity, making them suitable for smaller markets.
The A319-100s feature 12 First Class seats, 18 Delta Comfort+ seats, and 102 Main Cabin seats, accommodating 132 passengers.

Airbus A320-200

Delta operates 55 A320-200 aircraft, with plans to gradually retire older models.
The A320-200 primarily serves high-density domestic and transcontinental routes such as Atlanta to Denver and Minneapolis to Phoenix.
The A320-200s feature 16 First Class seats, 18 Delta Comfort+ seats, and 123 Main Cabin seats, bringing the total capacity to 157 passengers.

Airbus A321-200

Delta’s fleet of 127 A321-200s form the backbone of its narrow-body fleet.
These aircraft operate on busy domestic routes such as Atlanta to Los Angeles and New York to Miami.
The A321-200 has a total seating capacity of 191 passengers, with 20 First Class seats, 29 Delta Comfort+ seats, and 142 Main Cabin seats.

Airbus A321neo

Delta has 69 A321neo aircraft in service, with 86 more on order.
The A321neo offers superior fuel efficiency and lower operating costs, replacing older aircraft like the Boeing 757-200.
Two cabin configurations are available: one with 20 First Class seats, 42 Delta Comfort+ seats, and 132 Main Cabin seats (194 total), and another with 12 First Class seats, 54 Delta Comfort+ seats, and 66 Main Cabin seats (148 total).

Airbus A330-200

Delta’s 11 A330-200s are mainly used on transatlantic and select transpacific routes such as New York to Frankfurt and Seattle to Tokyo.
These aircraft feature 34 Delta One business class seats, 21 Premium Select seats, 24 Delta Comfort+ seats, and 144 Main Cabin seats, totaling 223 passengers.

Airbus A330-300

Delta operates 31 A330-300s, mainly for long-haul international flights.
The A330-300 is known for its high passenger capacity and fuel efficiency on transatlantic routes.
It features 34 Delta One business class seats, 21 Premium Select seats, 24 Delta Comfort+ seats, and 203 Main Cabin seats, totaling 282 passengers.

Airbus A330-900neo

Delta has 32 A330-900neos in service, with 7 more on order.
These aircraft primarily operate on long-haul routes to Europe and South America, offering increased efficiency over previous A330 variants.
The seating configuration includes 29 Delta One business class seats, 28 Premium Select seats, 56 Delta Comfort+ seats, and 168 Main Cabin seats, with a total capacity of 281 passengers.

Airbus A350-900

Delta has 35 A350-900s in service, with 9 more on order.
These aircraft are used for long-haul routes to Asia and Australia, such as Detroit to Seoul and Los Angeles to Sydney.
Multiple seating configurations exist, with a maximum capacity of 339 passengers in Delta One, Premium Select, Comfort+, and Main Cabin layouts.

Airbus A350-1000

Delta has ordered 20 A350-1000 aircraft, with deliveries beginning in 2026.
These aircraft will be deployed on ultra-long-haul routes and feature a premium-heavy configuration.
Delta also holds options for an additional 20 A350-1000s.

Boeing 717-200

Delta’s 80 717-200 aircraft are mainly used on short-haul routes from hubs like Atlanta and Detroit.
The fleet was acquired from AirTran Airways and remains one of the largest 717 fleets globally.
Each aircraft seats 110 passengers, with 12 First Class seats, 20 Delta Comfort+ seats, and 78 Main Cabin seats.

Boeing 737-800

Delta operates 77 Boeing 737-800 aircraft, primarily on domestic and short-haul international routes.
These aircraft offer a capacity of 160 passengers, including 16 First Class seats, 36 Delta Comfort+ seats, and 108 Main Cabin seats.

Boeing 737-900ER

Delta has 163 B737-900ER aircraft, one of the largest fleets of this type worldwide.
The 737-900ER is used for transcontinental and international routes.
These aircraft are configured with 20 First Class seats, 21 Delta Comfort+ seats, and 139 Main Cabin seats, totaling 180 passengers.

Boeing 737 MAX 10

Delta has 100 B737 MAX 10 aircraft on order, with deliveries beginning in late 2027.
These aircraft will replace aging narrow-body planes while offering higher efficiency.
The MAX 10 will feature 20 First Class seats, 33 Delta Comfort+ seats, and 129 Main Cabin seats, with a total capacity of 182 passengers.

Boeing 757-200 & 757-300

Delta operates 98 Boeing 757-200 aircraft and 16 Boeing 757-300 aircraft, primarily on shorter transcontinental and high-demand routes.
The fleet is gradually being retired, with some aircraft set to receive interior upgrades.
The 757-200 seats up to 199 passengers, while the larger 757-300 accommodates 234 passengers.

Boeing 767-300ER & 767-400ER

Delta operates 40 Boeing 767-300ER and 21 Boeing 767-400ER aircraft, making it the largest operator of passenger 767s.
The 767-300ER fleet will be retired by 2030, while the 767-400ER remains in service for long-haul operations.
The aircraft seats between 211 and 238 passengers, depending on the configuration.

Delta’s Route Updates – Summer 2025

Central America Route Cuts

Delta is discontinuing two routes from Los Angeles (LAX) to Central America due to low demand:

LAX – San Salvador (SAL): Last flight on May 4, 2025
LAX – Guatemala City (GUA): Last flight on May 5, 2025

Despite these cancellations, Delta will continue serving these destinations via its Atlanta (ATL) hub, while competitors United, Alaska, Avianca, and Volaris will maintain direct LAX-Central America services.

West Coast Route Restorations

Delta is reintroducing seasonal and year-round routes on the West Coast:

LAX – Anchorage (ANC): Weekly non-stop flights return May 24, 2025 – Aug 30, 2025
- Aircraft: Boeing 737-900ER
- Schedule: Saturdays only
- Competing Airline: Alaska Airlines
Las Vegas (LAS) – San Jose (SJC): Daily service returns on June 8, 2025
- Aircraft: Embraer 175 (Delta Connection)
- Competing Airlines: Alaska, Frontier, Spirit, United, Southwest

New Long-Haul Route: LAX – Melbourne

Delta is launching a new Los Angeles (LAX) – Melbourne (MEL) route starting December 2025:

Aircraft: Airbus A350-900
Frequency: 3x per week
Estimated annual capacity: 86,000 seats
Schedule:
- LAX-MEL: Departs 9:25 PM, arrives 8:15 AM (+2 days)
- MEL-LAX: Departs 10:25 AM, arrives 6:10 AM (same day)

This expansion enhances competition with Qantas and other transpacific carriers while providing seamless U.S. connections through Delta’s LAX hub.

Delta Air Lines Fleet – Bottom Line

Delta Air Lines continues to balance fleet renewal with cost efficiency, focusing on modernization while maintaining a diverse aircraft mix. The airline’s strategic route adjustments for summer 2025 reflect a shift towards high-demand markets, cutting underperforming routes while expanding its presence in key domestic and international destinations.

With upcoming Airbus A350-1000 deliveries and a long-term commitment to next-generation aircraft, Delta’s fleet is poised for a more fuel-efficient and passenger-friendly future.

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Sources: Delta Air Lines, Wikipedia, FlightRadar24

Delta Air Lines International Flight Routes Changes for Summer 2025

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