Power outage at Philadelphia International Airport terminal impacted some flights Saturday

PHILADELPHIA — A power outage caused problems at Philadelphia International Airport on Saturday.

NBC News affiliate WCAU reports the outage was in Terminal D and anyone flying through United, Delta, JetBlue, Air Canada or Alaska Air was asked to check with their airline for flight status updates. Power went out before 5 a.m. and was restored by 1:30 p.m.

It’s unclear what caused the outage, all other terminals had power throughout Saturday.

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