Delta has changed some of its plans for its European routes in summer 2025

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Airlines change their schedules on a frequent basis so if you’re like me and like to book your flights far out, it’s a good idea to keep an eye on what your chosen airlines are up to.

Flights get cut and added, and timings can change significantly, so what was once a perfectly reasonable itinerary can quickly turn into one that doesn’t work at all, and an itinerary that wasn’t possible when you booked could now, suddenly, be viable.

Delta is in the spotlight today as it has pushed through several changes to its European route plans for the summer 2025 season. Some changes appear positive, while others may disappoint, so if you’re planning to cross the pond with Delta next year, now would be the time to check your bookings.

Delta’s European route changes for summer 2025

Atlanta – Edinburgh

Originally, this seasonal route was set to operate daily from 14 April 2025, but the latest schedule change means that a daily service won’t be offered before 9 June 2025 and that just 5 weekly services will operate between 15 April and 8 June 2025.

Based on what ExpertFlyer is showing, it looks as if the Monday and Wednesday outbound flights and the Tuesday and Thursday inbound flights are the ones that have been pulled, so if you were booked to fly on one of those days (before 9 June) and Delta has yet to contact you, we suggest calling the airline asap so that you get re-accommodated on to flights that work best for you.

This is what the new schedule looks like between 15 April and 8 June 2025:

DL34 ATL 22:55 – 12:05 EDI +1 day (Tue, Thu, Fri, Sat & Sun)
DL35 EDI 11:45 – 15:55 ATL (Mon, Wed, Fri, Sat & Sun)

This route is scheduled to be operated by a Boeing 767-300ER.

Atlanta – Venice

Before the latest set of changes, Delta was set to increase the number of flights offered on this route from 10 to 14 weekly from 22 May 2025. That increase has now been removed from the schedules, so if you were booked to fly this route on or after 22 May, take a look at the schedule below to see if your flight is still operating.

DL192 ATL 16:05 – 07:30 VCE +1 day (Tue, Thu, & Sat)
DL138 ATL 20:10 – 11:40 VCE +1 day (Daily)

DL193 VCE 09:30 – 14:30 ATL (Wed, Fri & Sun)
DL139 VCE 11:05 – 16:05 ATL (Daily)

This route is scheduled to be operated by a mix of 767-300ER and 737-400ER aircraft.

Cincinnati – Paris (CDG)

There’s a little bit of good news on this route as between 9 May and 25 May 2025 Delta will add two more weekly flights (for a total of 5 weekly flights) before offering the planned daily service from 26 May 2025 onwards.

This is what ExpertFlyer says the new schedule looks like for the weeks leading up to the daily service:

DL98 CVG 18:10 – 08:25 CDG +1 day (Tue, Thu, Fri, Sat & Sun)
DL97 CDG 12:00 – 15:15 CVG (Tue, Thu, Fri & Sat)

You’ll notice that as things stand, there are 5 outbound weekly flights and just 4 inbound weekly flights which doesn’t seem to make much sense, so it may be that the schedules haven’t yet been fully updated.

This route is scheduled to be operated by a Boeing 767-400ER.

Minneapolis/St. Paul – Dublin

This seasonal route will return on 14 April 2025 as planned, but the daily service that was originally scheduled from day 1 will now not materialize until 7 May with a 5x/week service operating until then.

This is what the schedule now looks like for the first few weeks after the route returns:

DL258 MSP 21:20 – 10:45 DUB +1 day (Tue, Thu, Fri, Sat & Sun)
DL259 DUB 12:00 – 14:25 MSP (Mon, Wed, Fri, Sat & Sun)

As you can see, it’s the outbound flights on Mondays and Wednesdays and the inbound flights on Tuesdays and Thursdays that have been pulled from the first 3 weeks of service, so if you were booked to fly on one of those days (before 7 May 2025) and Delta has yet to contact you, give the airline a call.

This route is scheduled to be operated by a Boeing 767-300ER.

New York (JFK) – Berlin

This is another route with good news as its return (originally scheduled for 7 May 2025) will now happen on 15 April 2025 with a 5x/week service.

In further good news, the route will now operate daily from 7 May instead of 10 June 2025.

Here’s what the schedule looks like for the first full week after the service returns:

DL92 JFK 17:25 – 07:50 BER +1 day (Tue, Thu, Fri, Sat & Sun)
DL93 BER 10:20 – 13:30 JFK (Mon, Wed, Fri, Sat & Sun)

Delta flyers hoping to make the most of this seasonal route will now find themselves with more flight options than originally planned and an earlier start to the season and, who knows, perhaps some good-value award space may make a miraculous appearance.

This route is scheduled to be operated by a Boeing 767-300ER.

New York (JFK) – Copenhagen

More good news for Delta flyers here.

Originally, this route was scheduled to return from 13 May 2025, but it will now relaunch over 6 weeks earlier on 29 March 2025 with a 5x week service.

Also, Delta will boost service on this route by 2 flights/week (to give a daily service) from 7 May instead of 12 June 2025.

Here’s what the schedule looks like for the first full week after the service returns:

DL218 JFK 16:45 – 07:00 CPH +1 day (Tue, Thu, Fri, Sat & Sun)
DL219 CPH 09:15 – 12:05 JFK (Mon, Wed, Fri, Sat & Sun)

With 6 more weeks of flights than expected and with a daily service now scheduled earlier than anticipated, Delta flyers wishing to visit Copenhagen (a beautiful city with amazing dining) now have considerably more options than they did just a few days ago.

This route is scheduled to be operated by a Boeing 767-300ER.

New York (JFK) – Shannon

From what I can tell, Delta has only just brought this route back into its schedules with its latest update and it is set to relaunch on 22 May 2025 with the following timings:

DL284 JFK 23:55 – 11:25 SNN +1 day (Daily)
DL285 SNN 13:40 – 16:25 JFK (Daily)

I don’t expect that there was much doubt that Delta would bring this summer route back into its schedules, but it’s nice to now see what the timings of the route will probably look like (they may yet change before next may).

This route is scheduled to be operated by a Boeing 767-300ER.

New York (JFK) – Stockholm

This is the last of Delta’s schedule updates that we have to report, and it sees the airline moving to a daily service (was a 5x/week service) on its Stockholm route from 7 May 2025.

Here’s the new schedule as it stands for mid-May:

DL204 JFK 18:10 – 08:25 ARN +1 day (Daily)
DL205 ARN 10:25 – 13:25 JFK (Daily)

This is a double win for Delta flyers as not only is the route going to offer more flights earlier than expected, but it’s also now going to offer a daily service where the previous schedules showed a maximum of 6 weekly flights during peak season.

This route is scheduled to be operated by a Boeing 767-300ER.

Bottom line

If you have bookings with Delta for travel to Europe in summer 2025, now would be a good time to check those bookings to see if anything has changed as Delta has made a few adjustments to its schedules (and more adjustments will probably be on their way).

Also, if you have been looking for Delta flights to Europe for summer 2025 and weren’t able to find any that worked for you, you may find that some of these schedule changes have opened up options that now better suit your needs. It may be time to carry out a few more searches.

[HT: Aeroroutes]