Air passengers who were grounded in Belfast amid fears that a water spillage had damaged wiring have left for Cardiff.
Passengers were due to fly out at 0705 BST
Fifty people on the 0705 Flybe flight from the George Best Belfast City Airport were delayed after catering containers were overfilled with water.
Domestic staff spent an hour mopping the carpet and the captain requested electronic experts to study the plane.
Passengers were transferred to another plane which left at 0900 BST.