How often are LHR to DUB flights on time?

Flights from London (LHR) to Dublin (DUB) arrive on time 69% of the time across 28,362 flights of official data.

Which airline is most reliable on the LHR to DUB route?

Aer Lingus has the best on-time record on this route at 71% across 18,751 flights.

Route reliability

Flights from London to Dublin arrive on time 69% of the time across 28,362 flights. Here’s how each airline really performs.

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On-time rate

28,362 flights

Airline	On-time	Flights
Aer Lingus	71%	18,751
British Airways	65%	9,611

On-time = arrived within 15 minutes of schedule, per UK CAA. Compare the reverse leg DUB → LHR.

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Score real LHR–DUB flights on reliability, weather, and connection safety — not just price.

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