Only 5 Hours: Inside Delta Air Lines' New Shortest Routes To Europe [Map]

Published Sep 25, 2026, 3:01 PM EDT Journalist – Aaron is an aviation and travel journalist with 14 years of experience in the travel and tourism industry. His background spans airport operations, aviation infrastructure, and travel consulting, having worked with global organizations across New Zealand, Europe, and North America. Combining industry expertise with firsthand travel experience across more than 52 countries and five continents, Aaron covers airlines, airports, aviation policy, and the wider travel sector. He is based in Canterbury, New Zealand. His work has been published in Simple Flying and featured by MSN, SAM CHUI Aviation & Travel, EIN News, Pakistan Defence, and Climate Depot. SkyTeam member Delta Air Lines has a robust network of flights to Europe from the US, and a number of these are relatively short hops with average flight times of just over six hours. The airline also adds popular seasonal routes to destinations in Iceland, Ireland, and the United Kingdom, alongside mainline year-round services between key cities. The airline's shortest trans-Atlantic services to Europe average under six and a half hours. Five of these services operate seasonally, with the rest being part of the airline's bread and butter between the United Kingdom and Ireland, according to Cirium, an aviation analytics company. A Quick Flight To Iceland Credit: Austin Deppe | Shutterstock The shortest route that the airline operates to Europe is the seasonal service from John F. Kennedy International Airport (JFK) to the Icelandic capital of Reykjavík, to its international airport at Keflavik International Airport (KEF). These flights are operated with the airline's Boeing 767-300ER and will return for the Northern Hemisphere summer season. Loading map… Drag to explore Resuming in March, they will operate during the busiest travel period for Europe-bound travelers. This service clocks in at a minimum block time of just five hours and 25 minutes gate to gate. Origin Destination Duration Aircraft Frequency Operation John F. Kennedy International Airport (JFK) Keflavik International Airport (KEF) 5 hours, 25 minutes Boeing 767-300ER Daily Summer seasonal from March Detroit Metropolitan Wayne County Airport (DTW) Keflavik International Airport (KEF) 5 hours, 41 minutes Boeing 757-200 Daily Summer seasonal from May Minneapolis-St. Paul International Airport (MSP) Keflavik International Airport (KEF) 6 hours, 2 minutes Boeing 757-200 Daily Summer seasonal from May Delta's service to Iceland from New York is complemented by its additional seasonal services from Detroit Metropolitan Wayne County Airport (DTW) and Minneapolis-St. Paul International Airport (MSP) to Keflavik. These flight times are five hours, 41 minutes (Detroit) and six hours, two minutes (Minneapolis). Both routes are operated by the Boeing 757-200, nicknamed the 'Flying Pencil' by enthusiasts. Year-Round Connections To Dublin, London & Edinburgh Credit: Markus Mainka | Shutterstock The distance between the United States East Coast and Ireland or the United Kingdom means that trans-Atlantic flights have a block time of around six hours. The airline maintains year-round flights from Boston Logan International Airport (BOS) to Dublin with a mix of the 767-300ER and Airbus A330-300. However, the airline operates a dramatically lighter schedule in the Northern Hemisphere winter season, before ramping up to dial up services across the summer. The block time from Boston to Dublin is just six hours. Flights to Shannon Airport (SNN) on Ireland's west coast are operated nonstop from New York JFK, with the flights operated seasonally with the 767-300ER. These flights take just six hours and 15 minutes gate to gate. Origin Destination Block Time Aircraft Frequency Operation John F. Kennedy International Airport (JFK) Shannon Airport (SNN) 6 hours, 15 minutes Boeing 767-300ER Daily Summer seasonal from May John F. Kennedy International Airport (JFK) Dublin Airport (DUB) 6 hours, 20 minutes Airbus A330-200, 767-300ER, 767-400ER Daily Year-round Boston Logan Airport (BOS) Edinburgh Airport (EDI) 6 hours, 25 minutes Boeing 767-300ER Daily Summer seasonal from May Boston Logan Airport (BOS) London Heathrow Airport (LHR) 6 hours, 30 minutes Airbus A330-900 Daily Year-round John F. Kennedy International Airport (JFK) Edinburgh Airport (EDI) 6 hours, 35 minutes Boeing 767-300ER, 767-400ER Daily Year-round Nonstop flights from New York JFK to Dublin operate year-round and use a mix of widebody aircraft. Travelers enjoy US Customs and Border Protection Preclearance at both Dublin and Shannon, meaning that travelers returning to the United States as domestic travelers bypass long lines at the border. The flight from New York to Dublin takes six hours and 20 minutes. Rounding out this component are Boston to London Heathrow Airport (LHR), which operates year-round, Boston to Edinburgh Airport (EDI), which flies seasonally, and New York JFK to Edinburgh, which flies year-round. All flights take between six hours and 25 minutes and six hours and 35 minutes. Connecting Portugal To Boston & New York Credit: Markus Mainka | Shutterstock The last two routes in this analysis are Delta's services to Lisbon Airport (LIS). The airline operates from Boston to Lisbon year-round, although it operates a rather thin schedule through the off-peak winter season. The route uses the A330-300 in winter, then moves to the A330-900 in summer. The typical block time is six hours and 15 minutes. From New York to Lisbon, the airline operates year-round daily flights with the 767-400ER, with a block time of six hours and 35 minutes. Next summer, the airline will shift this route to the A330-900. Looking at these short flight times, all under six and a half hours, reminds us how close the US is to Western Europe, and you could be immersed in new cultures, languages, and food within just hours of leaving the US East Coast.