How often are GLA to LHR flights on time?

Flights from Glasgow (GLA) to London (LHR) arrive on time 75% of the time across 30,520 flights of official data.

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

British Airways has the best on-time record on this route at 75% across 30,520 flights.

Route reliability

Flights from Glasgow to London arrive on time 75% of the time across 30,520 flights. Here’s how each airline really performs.

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On-time rate

30,520 flights

Airline	On-time	Flights
British Airways	75%	30,520

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

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

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