PHILADELPHIA (CBS) – Though an early morning ground stop has been lifted at Philadelphia International Airport, officials are still warning about delays.

According to the airport’s Twitter feed, passengers are being asked to allow extra time for check-in and screening due to weather conditions.

“Please allow ample time for check-in & screening (2 hrs) as lines are longer due to weather conditions that are still impacting flights,” PHL posted around 11:45 a.m.

Passengers are also urged to call their airline directly for information on potential flight delays.

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