Fog and snow frequently affects flights at Heathrow, forcing aircraft to leave more space for take-off and landing due to low visibility.

There is a Traffic Management Initiative in effect that is affecting flights from all or many airports.

Won't affect flights outside CHC after today or tomorrow.

It remained shut down for several hours but did not affect other flights, Ms. Tierney said.

The department's proposed "peak hour" surcharges would mainly affect flights in the early morning and early evening.

A union spokesman said the strike would affect only flights within France by Air France Europe.

And once we get on the path of understanding the root cause then we'll be better able to say whether it affects future flights.

The outage also affected flights in the region.

These targets affect only internal flights.

The cloud has also affected flights in the south of Brazil.