The capacity boost is consistent with Edinburgh’s overall aviation strategy, bolstering its status as a key European destination for North American carriers.
FLORIDA- Delta Air Lines (DL), an Atlanta-based carrier, will modify its Trans-Atlantic routes for the summer 2025 season.
In 2025, the airline will launch its widest transatlantic schedule to date, with flights to 33 European cities.
Delta Ups Athens and Edinburgh Flights
Atlanta-Athens Route
The Atlanta-Athens route will transition from A350-900 to A330-900neo aircraft, increasing weekly flights from 7 to 10 between May 8 and October 4, 2025, according to Aeroroutes.
During peak season, which runs from June 8 to September 7, 2025, service will increase to 13 weekly flights.
The daily flight from Atlanta to Athens is DL222, which departs at 17:05 and arrives in Athens at 10:55 the next day. Return flight DL223 departs Athens at 09:10 and arrives in Atlanta at 14:25.
Additional service. DL296 departs Atlanta at 15:40 (excluding Tuesdays) and arrives in Athens at 09:30 the next day. DL297 departs Athens at 11:40 (excluding Wednesdays) and arrives in Atlanta at 16:50.
According to US Department of Transportation (DOT) data published by aviation researcher James Pearson, Delta’s Atlanta-Edinburgh route earned remarkable load factors, with an average occupancy of 92% between May 2023 and September 2024. Peak occupancy was 95%, while the lowest recorded figure remained at 87%, demonstrating strong demand that supports high-yield operations.
Edinburgh Airport has had exceptional development in North American connections, leveraging the city’s growing visitor appeal and global renown. This strategic expansion rerouted traffic from Glasgow Airport, establishing Edinburgh as Scotland’s major transatlantic gateway.
The capacity boost is consistent with Edinburgh’s overall aviation strategy, bolstering its status as a key European destination for North American carriers. According to market data, passenger demand remains strong, allowing for increased frequency and capacity deployment on established routes.
| Destination | Airline | Frequency | Notes |
|---|---|---|---|
| Atlanta | Delta | 10x weekly | Record frequency on resumed route |
| Boston | Delta | Daily | |
| Boston | JetBlue | Daily | New service starting May |
| Calgary | WestJet | 3x weekly | |
| Chicago O’Hare | United | Daily | |
| Halifax | WestJet | 3x weekly | |
| Newark | United | 2x daily | |
| New York JFK | Delta | Daily | |
| New York JFK | JetBlue | Daily | |
| Orlando | Virgin | 2x weekly | |
| Philadelphia | American | Daily | Service resumes May |
| Toronto | Air Canada | Daily | |
| Toronto | WestJet | Daily | |
| Washington Dulles | United | Daily |
- Total Weekly Departures: 95 (August 2025)
- Year-over-Year Growth: +23% from 77 (August 2024)
- Historical Comparison: 46 weekly flights in 2019, 33 in 2015
Atlanta to Edinburgh Route
The Atlanta-Edinburgh route is periodically modified. Between April 15 and May 25, 2025, service was reduced from daily to five weekly flights operated by Boeing 767-300ER aircraft.
Daily service resumes on May 26, with 10 weekly flights from July 1 until September 6.
Flight DL254 departs Atlanta at 19:05 each Tuesday, Thursday, and Saturday. DL034 runs daily, departing Atlanta at 23:05.
These scheduling changes bring Delta’s weekly US-Europe flight total to 681 during the peak summer week of July 13-19, 2025, exceeding the previous year’s 643 flights.
When will Delta Airlines increase flights to Athens and Edinburgh?
Delta Airlines will increase its flights to Athens and Edinburgh starting in the summer of 2025 to accommodate growing demand for travel to these destinations.
How many additional flights will Delta Airlines offer to Athens and Edinburgh?
Delta Airlines has announced multiple additional weekly flights to both Athens and Edinburgh, though the exact number of new flights may vary depending on demand and operational factors.
From which U.S. cities will Delta operate flights to Athens and Edinburgh?
Delta will operate flights to Athens from key hubs such as New York (JFK) and Atlanta (ATL). Flights to Edinburgh will operate from New York (JFK) and Boston (BOS).
Why is Delta Airlines increasing flights to Athens and Edinburgh?
Delta is increasing its flight frequency to Athens and Edinburgh in response to heightened demand for summer travel to popular European destinations.
What type of aircraft will Delta use for these routes?
Delta Airlines plans to deploy wide-body aircraft, such as the Airbus A330 and Boeing 767, for its routes to Athens and Edinburgh to ensure passenger comfort on long-haul flights.
Will Delta offer non-stop flights to Athens and Edinburgh?
Yes, Delta Airlines will offer non-stop flights from its U.S. hubs to both Athens and Edinburgh during the summer 2025 season.
Are there any special promotions for Delta flights to Athens and Edinburgh?
Delta may offer special promotional fares or travel packages for its newly increased routes to Athens and Edinburgh. Passengers are advised to check Delta’s official website or contact customer service for the latest deals.
What are the baggage allowances for Delta flights to Athens and Edinburgh?
Baggage allowances for Delta flights to Athens and Edinburgh depend on the ticket class. Economy passengers typically get one free carry-on and may need to pay for checked bags, while premium passengers have additional allowances.
