Flights Dublin → Boston
DUB → BOS
How long is the flight from Dublin to Boston?
The flight from Dublin (DUB) to Boston (BOS) takes 6h 17m on average. That is the median time recorded across 1 scheduled flight on this leg; the actual time varies by a few minutes with wind, routing and take-off queues.
Route overview
The flight route operates between Dublin, where the airport opened in 1940, and Boston. It is served by Airbus A330 aircraft, connecting to a highly trafficked destination with over 36 million passengers passing through its airport annually.
The Dublin (DUB) → Boston (BOS) route is operated by Aer Lingus, United Airlines. Across 56 flights monitored in recent months, 82% arrived on time (within 15 min of schedule), with an average delay of 8 minutes. The cancellation rate is 0.00%. FlightGuard's average computed risk is 20.2/100 (medium), updated in real time from weather, ATC delays, strikes, NOTAMs, fuel and flight history. At Boston the average ATFM delay is 5.5 minutes (main cause: atfm). Departing from Dublin the average ATFM delay is 0.9 minutes.
Heading to Boston: what to expect in this direction
Flying from Dublin (DUB) to Boston (BOS) heads west for about 4,804 km, a flight time of roughly 6h 17m.
Departures from Dublin on this leg cluster in the midday window: about 75% of DUB-BOS flights take off then.
Air-traffic congestion: departing Dublin the average ATFM delay is 0.9 min (atfm); arriving into Boston it is 5.5 min (atfm).
Across 56 tracked DUB-BOS flights, 82% left on time with an average delay of 8 min and a 0.0% cancellation rate.
Route facts
Flights on this route
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Airline punctuality on this route
| Airline | On-time | Average delay | Cancellations |
|---|---|---|---|
| United Airlines (UA) | 83% | 5 min | 1.3% |
| Aer Lingus (EI) | 79% | 42 min | 2.5% |
Airlines operating DUB-BOS
Frequently asked questions about DUB-BOS
The flight from Dublin (DUB) to Boston (BOS) takes 6h 17m on average. That is the median time recorded across 1 scheduled flight on this leg; the actual time varies by a few minutes with wind, routing and take-off queues.
On the Dublin (DUB) -> Boston (BOS) route, on-time performance is 82% with an average delay of 8 minutes, based on 56 tracked flights.
The cancellation rate on Dublin-Boston is 0.00% across 56 monitored flights.
The route is operated by 2 airlines: Aer Lingus, United Airlines.
Enter your flight number on FlightGuard for a real-time analysis based on 9 factors: weather at Boston, ATC delays, strikes, NOTAMs, fuel, airline punctuality and recent trends.
The Dublin-Boston route is about 4,804 km: for a cancellation (with less than 14 days' notice), a delay over 3 hours, or denied boarding, EU261 compensation is €600, barring extraordinary circumstances.
