Flight delay rankings
Who runs late most — and least — by airline and by route, from public UK CAA and US BTS data.
Most delayed airlines in the UK (2025)UK
The UK airlines that run late most often, across all their UK routes.
#1 Air India · 60% delayed →
Most punctual airlines in the UK (2025)UK
The UK airlines most likely to get you there on time.
#1 SAS Scandinavian Airlines · 15% delayed →
Most delayed UK flight routes (2025)UK
The UK routes where flights run late most often — mostly summer holiday hops.
#1 Manchester → Rhodes · 60% delayed →
Most punctual UK flight routes (2025)UK
The UK routes most likely to land on time.
#1 Aberdeen → Stavanger · 7% delayed →
Most delayed US flight routesUS
The busiest US domestic routes where flights run late most often.
#1 Seattle → San Francisco · 52% delayed →