Things started to return to normal at the St. John's International around midnight Saturday after the airport experienced approximately 48 hours of inactivity.
Crews were able to clear the runways after being walloped by snow during the storm that brought the city to a standstill on Thursday night.
About 160 flights were affected by the airfield closures.
The airport authority had originally estimated that operations would resume at noon on Saturday. However, high winds and snow drifts approaching 10 feet in height resulted in the airport extending the closure to midnight.
Airport spokesperson Marie Manning said it was later than originally anticipated that crews were able to start clearing runways.
Travellers are recommended to check with their airline carriers for updates and flight information.
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