Flights Shannon → Boston
SNN → BOS
How long is the flight from Shannon to Boston?
The flight from Shannon (SNN) to Boston (BOS) takes 5h 57m on average. That is the median time recorded across 2 scheduled flights on this leg; the actual time varies by a few minutes with wind, routing and take-off queues.
Route overview
This flight route operates between Shannon and Boston, featuring a perfect on-time performance rate of 100% with an average arrival nine minutes ahead of schedule based on the twenty-one flights recorded. The Boeing 757 aircraft used for this route flies to Logan International Airport in Boston, which serves over thirty-six million passengers annually.
The Shannon (SNN) → Boston (BOS) route is operated by Aer Lingus. Across 35 flights monitored in recent months, 100% arrived on time (within 15 min of schedule), with an average delay of -9 minutes. The cancellation rate is 0.00%. FlightGuard's average computed risk is 8/100 (low), 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 Shannon the average ATFM delay is 0.9 minutes.
Heading to Boston: what to expect in this direction
Flying from Shannon (SNN) to Boston (BOS) heads west for about 4,646 km, a flight time of roughly 5h 57m.
Departures from Shannon on this leg cluster in the midday window: about 83% of SNN-BOS flights take off then.
Air-traffic congestion: departing Shannon the average ATFM delay is 0.9 min (atfm); arriving into Boston it is 5.5 min (atfm).
Across 35 tracked SNN-BOS flights, 100% left on time with an average delay of -9 min and a 0.0% cancellation rate.
Route facts
Flights on this route
Check the risk of a specific flight.
Flexible on this trip? Compare flights
Airline punctuality on this route
| Airline | On-time | Average delay | Cancellations |
|---|---|---|---|
| Aer Lingus (EI) | 79% | 42 min | 2.5% |
Airlines operating SNN-BOS
Frequently asked questions about SNN-BOS
The flight from Shannon (SNN) to Boston (BOS) takes 5h 57m on average. That is the median time recorded across 2 scheduled flights on this leg; the actual time varies by a few minutes with wind, routing and take-off queues.
On the Shannon (SNN) -> Boston (BOS) route, on-time performance is 100% with an average delay of -9 minutes, based on 35 tracked flights.
The cancellation rate on Shannon-Boston is 0.00% across 35 monitored flights.
The route is operated by 1 airline: Aer Lingus.
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 Shannon-Boston route is about 4,646 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.
