About 7 hours.
There are no direct flights between Ireland and Alaska. You would probably fly from Alaska to one of the cities on the east coast of the USA that has flights to Ireland, like New York or Boston, and from there fly to Ireland. The total time would depend on what airports you chose and the gap between connecting flights.
Flights from London to Shannon or Dublin in Ireland are usually about 1 hour long.
There are no direct flights from Boston to Slovenia, you can fly to one of the connecting aiports (Munchen, Frankfurt, Amsterdam, London, Paris, ...) The flights from these airports are from 1h-2h long (Munchen being the shortest and London being the longest).
ATL-Atlanta, GA NOT all major airports have direct flights to DUB-Dublin, Ireland. SFO-San Francisco does not. Several US cities have such flights including New York (JFK), Boston (BOS), and Newark (EWR).
Airplanes are more efficient at higher altitudes.
The departure terminal for Delta flights at Boston Logan Airport is Terminal A.
No. Ireland is much bigger than Boston. The city of Boston is about 89 square kilometres. Ireland is about 84,421 square kilometres.
The Boston Airport is a International transportation center and handles hundreds of flights every day. So its good to say hundreds of flights depart out of the Boston Airport.
One can find cheap Dublin, Ireland flights on a number of travel websites. They can be found on 'Cheap Flights', 'tripadvisor', 'Expedia', 'skyscanner' and 'Travel Supermarket'.
The flight time is approximately 2 hours, 34 minutes.
No.
There are no direct scheduled flights between Ireland and Mexico. To get there you would probably fly to an American airport and then on to Mexico. Where in America you flew to and where you were flying to in Mexico and the stopover time between flights would determine the total time. If you could get good connecting flights and times for them, you could probably do it in as little as 12 hours.