FLORIDA- Atlanta-based carrier, Delta Air Lines (DL) make some schedule modifications for its Trans-Atlantic routes during the summer 2025 season.
In 2025, the airline will roll out its largest-ever transatlantic schedule, offering flights to 33 destinations across Europe.
Photo: Clément AlloingDelta Ups Athens and Edinburgh Flights
Atlanta-Athens Route
The Atlanta-Athens route transitions to A330-900neo aircraft from A350-900, increasing weekly flights from 7 to 10 between May 8 and October 4, 2025, reported by Aeroroutes.
Service further expands to 13 weekly flights during peak season from June 8 to September 7, 2025.
The Atlanta-Athens daily flights operate as DL222 departing Atlanta at 17:05, arriving in Athens at 10:55 the next day. Return flight DL223 departs Athens at 09:10, reaching Atlanta at 14:25.
Additional service DL296 leaves Atlanta at 15:40 except Tuesdays, arriving in Athens at 09:30 the following day. DL297 returns from Athens at 11:40 except Wednesdays, landing in Atlanta at 16:50.
The US Department of Transportation (DOT) data as shared by aviation analyst, James Pearson reveals Delta’s Atlanta-Edinburgh route achieved exceptional load factors, averaging 92% occupancy between May 2023 and September 2024. Peak occupancy reached 95%, while the lowest recorded figure maintained 87%, indicating robust demand sustaining high-yield operations.
Edinburgh Airport demonstrates remarkable growth in North American connectivity, capitalizing on the city’s expanding tourism appeal and global recognition. This strategic development has redirected traffic from neighboring Glasgow Airport, establishing Edinburgh as Scotland’s primary gateway for transatlantic travel.
The capacity expansion aligns with Edinburgh’s broader aviation strategy, strengthening its position as a key European destination for North American carriers. Market analysis indicates sustained passenger demand, supporting increased frequency and capacity deployment on established routes.
| 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
Photo: Caden Handerson/ Cado PhotoAtlanta to Edinburgh Route
The Atlanta-Edinburgh route undergoes periodic adjustments. Service was reduced from daily to five weekly flights between April 15 and May 25, 2025, utilizing Boeing 767-300ER aircraft.
The Daily service resumes May 26, expanding to 10 weekly flights from July 1 through September 6.
Flight DL254 operates Tuesday, Thursday, and Saturday, departing Atlanta at 19:05. DL034 provides daily service leaving Atlanta at 23:05.
These schedule enhancements increase Delta’s weekly US-Europe flight count to 681 during the peak summer week of July 13-19, 2025, surpassing the previous year’s 643 flights.
Featured Image By Clément Alloing | Flickr
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Delta Air Lines International Flight Routes Changes for Summer 2025
The post Delta Air Lines Adds More Flights to Athens and Edinburgh for Summer 2025 appeared first on Aviation A2Z.
