How often are ZRH to LHR flights on time?

Flights from Zurich (ZRH) to London (LHR) arrive on time 69% of the time across 19,433 flights of official data.

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

Swiss International Air Lines has the best on-time record on this route at 71% across 11,832 flights.

Route reliability

Flights from Zurich to London arrive on time 69% of the time across 19,433 flights. Here’s how each airline really performs.

0.0

On-time rate

19,433 flights

Airline	On-time	Flights
Swiss International Air Lines	71%	11,832
British Airways	66%	7,601

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

How to Pick a Reliable Flight (Not Just the Cheapest)

A practical checklist for booking the flight that gets you there — not just the cheap one.

Nonstop vs. Connecting Flights: The Reliability Trade-off

A stop multiplies the ways a trip can break. When it's worth it — and how to de-risk it.

Do Morning Flights Really Have Fewer Delays?

Yes — and there's a clear reason. How delays snowball through the day.

Are Some Airlines Really More Reliable Than Others?

The reliability gap between airlines is real — here's what actually drives it.

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