
Delta posts record summer revenue and adds new international routes amid union push and fallout from last year’s tech outage
Tuesday, September 9, 2025 – Delta Air Lines on Tuesday reported strong financial and operational results and announced several new international routes. The Atlanta-based carrier reported delivering a record revenue in the summer quarter and noted solid profit margins, despite facing pressures from rising costs and industry slowdowns. Delta’s CEO and executives also highlighted network growth in Europe and the South Pacific. At the same time, the airline is managing fallout from a major summer 2024 technology outage and a push by employees to unionize. Delta emphasized its efforts to improve customer service and invest in fuel efficiency and sustainability.
Delta Air Lines’ financial results were robust. In its June 2025 quarter, the airline reported a record $16.6 billion in operating revenue. This was a 13% increase over the prior year, with an operating profit margin of 12.6%. Net income before taxes was $1.8 billion. This performance was driven by strong demand and higher fares in premium cabins. As a result, Delta Air Lines said it will restore guidance for 2025, aiming for $5.25 to $6.25 in earnings per share and $3–4 billion in free cash flow. Delta Air Lines’ president noted loyalty programs and international sales remain resilient even as domestic growth slows.
Earlier, in March 2025, the quarter showed revenue of $14.0 billion. Profit was flat year over year and net income before taxes was $320 million. CEO Ed Bastian said slower global growth led the company to trim expansion plans. He added that Delta Air Lines reduced planned capacity growth to near zero for late 2025. He said the airline will protect margins by cutting costs and deferring capital spending. Delta Air Lines expects current quarter profit of $1.5–2.0 billion, an 11–14% margin.
The carrier also earned praise for operational performance. For 2024, Delta Air Lines was named the most on-time major airline in North America by Cirium. About 83.5% of flights arrived on schedule, topping all U.S. carriers. This was the fourth straight year Delta Air Lines won Cirium’s Platinum Award for reliability.
Nevertheless, Delta Air Lines faced customer service issues after a July 2024 software outage at a cybersecurity firm. The outage disabled many computers. Over five days, Delta Air Lines canceled roughly 7,000 flights and stranded about 1.3 million passengers. The U.S. Department of Transportation logged more than 5,000 complaints about the outage. Travelers reported lost baggage, missed connections, and scant communication. Delta Air Lines responded by waiving change fees, extending travel waivers, and offering refunds. The airline also set up a dedicated claims process to reimburse passengers. By late July 2024, schedules returned to normal, and customer service lines shortened.
Delta Air Lines added new international routes in summer 2025. New services included Detroit to Dublin, Atlanta to Naples, and Minneapolis to Rome. Delta Air Lines also expanded South Pacific service with seasonal flights to Brisbane and a planned LAX–Melbourne route. The airline is modernizing its fleet with A321neo and A350 aircraft orders. Delta Air Lines has 151 A321neo on order and expects more A350s by 2030. Labor relations remain active as union drives grow among flight attendants and ground staff. Delta Air Lines says it offers strong profit-sharing, but workers seek stronger protections. The company continues to pursue sustainability, aiming for net-zero by 2050.
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Expanded Route Network
Delta expanded international routes for summer 2025. In Europe, the airline launched a record trans-Atlantic schedule, adding new nonstop flights from key hubs. New summer routes included:
- Detroit (DTW) – Dublin (DUB), 5 flights per week (launched May 2025).
- Atlanta (ATL) – Naples (NAP), daily summer service (launched May 2025).
- Minneapolis-St. Paul (MSP) – Rome (FCO), daily (launched May 2025).
- Atlanta (ATL) – Brussels (BRU), daily (launched June 10, 2025).
- Boston (BOS) – Barcelona (BCN), daily (launched June 2025).
- Boston (BOS) – Milan (MXP), daily (launched June 2025).
- New York JFK (JFK) – Catania, Sicily (CTA), weekly (first flight May 2025).
Boston Logan Airport marked its new service to Barcelona with flamenco dancers and Spanish musicians. These additions make Delta the largest U.S. carrier on routes to Italy, Greece, France, the Netherlands, Iceland, Denmark, Sweden, and the Czech Republic. For example, it is now the only U.S. airline flying directly to Prague. Delta said it intends to “unlock even more of Europe” by using widebody jets with premium cabins on these routes.
Delta also continued building its network in the South Pacific. The carrier is already the leading U.S. airline at Los Angeles (LAX) for flights to Australia and New Zealand. For the 2024–25 Northern winter, Delta added a seasonal LAX–Brisbane route (three times weekly from Dec. 2024 through March 2025). Later this year, Delta will introduce nonstop service from LAX to Melbourne, Australia, starting Dec. 2025. The Brisbane service and upcoming Melbourne flights will operate on fuel-efficient Airbus A350-900 planes, offering Delta One and Premium Select cabins. These routes join Delta’s existing U.S.–Australia flights (to Sydney) and New Zealand (Auckland), expanding its reach to five South Pacific cities.
Los Angeles–Brisbane flights helped expand Delta’s South Pacific network. Seasonal LAX–Brisbane service began in winter 2024, and a new LAX–Melbourne route is set for December 2025. With these routes, Delta now offers more options for leisure travelers to Oceania than any other U.S. carrier.
Delta also maintained existing service to Asia, Latin America, and the Caribbean. The airline continues daily LAX–Tokyo Narita and seasonal flights to Latin beach destinations (e.g,. Punta Cana and Cancun) out of Atlanta, Detroit, and Minneapolis to meet demand.
Fleet Renewal and Expansion
Delta is modernizing its fleet with new aircraft orders. As of 2025, Delta’s mainline fleet numbers roughly 990 jets, making it one of the world’s largest. The airline has 151 Airbus A321neo aircraft on order through 2027, with 69 already delivered. The A321neo is replacing older 757s and offers lower fuel burn. Delta also ordered 20 new Airbus A350-1000 widebody jets, with deliveries starting in 2026. Including options, Delta’s total next-generation A350 orderbook is 36 planes, bringing its A350 fleet (A350-900 + A350-1000) to over 60 by 2030. In all, Delta has 284 narrowbody and 48 widebody aircraft on order for the coming years. These new planes will replace older 767s, A330s, and 717s, improve fuel efficiency, and allow more premium seats.
Labor Relations
Labor issues have been a hot topic. Delta’s pilots approved a new contract in 2023, securing a 34% pay raise over four years. That deal ended a long period of negotiations and avoided any strike. However, efforts to unionize Delta’s flight attendants and ground staff are gaining momentum. In early 2025, union organizers claimed nearly 50,000 employees were ready to vote, including 28,000 flight attendants and 20,000 ramp and cargo workers. This would be the largest private-sector union drive in the U.S. airline industry. Delta’s management has responded by warning workers of “uncertainty, years of negotiations and a lot of inner turmoil” if they vote for union representation. Delta notes it already offers industry-leading profit-sharing and raises, but workers say they seek stronger job protections and benefits.
Sustainability and Innovation
Delta continues to emphasize sustainability. It aims for net-zero carbon emissions by 2050 and is working on fuel-saving initiatives. Delta invests in more efficient jets (A321neo, A350) and in new technology. For example, it is partnering with aircraft developers (like Airbus and startup JetZero) on future green planes. The airline’s “Carbon Council” has identified ways to save fuel: in 2024 alone, these efforts cut 44 million gallons of jet fuel burned through better flight planning, weight reduction, and other measures. Delta is also active in building a supply of sustainable aviation fuel (SAF). It joined regional and national SAF hubs (such as a Minnesota SAF project) to boost production of low-carbon jet fuel. Delta says these moves not only help the climate but also save money and differentiate its service.
Delta Air Lines enters its second century with a solid financial base and a growing global network. The airline’s strong profitability and on-time record give it a competitive edge. Continued expansion – from new European gateways to Pacific beach markets – is broadening its appeal. At the same time, Delta must address customer service trust and labor relations. If it succeeds, Delta expects to build on its industry leadership in 2025 and beyond, navigating economic uncertainty while keeping growth and sustainability on track.