Each of the quarter-million passengers whose travel plans were wrecked by the sudden closure of Heathrow airport on Friday simply wanted to reach the destination on their ticket. There was no good way to learn that wasn’t going to happen due to a fire in an electricity substation that had cut power to Europe’s busiest airport.

Heathrow Airport said it was "fully operational" Saturday, but passengers faced some delays and cancellations as Europe's busiest air hub resumed operations a day after a power station fire caused travel mayhem.

London's Heathrow Airport resumed full operations on Saturday, a day after a fire knocked out its power supply and shut Europe's busiest airport, causing global travel chaos.

Hundreds of additional employees were on duty, and flights were added to the schedule to accommodate thousands of extra passengers, the airport said.

London’s Heathrow Airport has resumed flights Saturday after a major transportation meltdown caused by an electric fire halted planes for 18 hours. CNN’s Larry Madowo brings you the latest from Heathrow.