Aug. 4—Spirit Airlines' flight cancellations continued Wednesday for passengers planning to fly out of or into Arnold Palmer Regional and Pittsburgh International airports.

Four arrivals and three departures were canceled at the Unity airport while two other flights were delayed. Eleven of 13 Spirit flights were canceled at Pittsburgh International.

Spirit Airlines canceled 60% of its flights Wednesday, according to aviation tracking website FlightAware. Another 7% were delayed.

It's been an issue for the airline since the weekend. A spokesman said Spirit is making "proactive cancellations" of some flights as a result of weather, system outages and staffing shortages. There has been no target date released to as to when the issues might be resolved.

The airline is focusing the cancellations in areas where travelers have other flight options, according to a spokesman. Spirit Airlines is the sole carrier at Arnold Palmer near Latrobe, 63 driving miles from Pittsburgh International Airport.

Air travel hit a high point Sunday with more than 2.2 million people going through airport checkpoints, according to the Transportation Security Administration. While it is the highest number since February 2020, it is still down from 2019 numbers.

Spirit Airlines asks that travelers check their flight status before heading to the airport.

The issues have stranded travelers around the country or disrupted their travel plans. Flights between Fort Lauderdale, Orlando and Myrtle Beach and the Unity airport were canceled.

Planes headed to or from similar destinations were canceled at Pittsburgh International, but a few took off or landed as scheduled.

Renatta Signorini is a Tribune-Review staff writer. You can contact Renatta at 724-837-5374, [email protected] or via Twitter .

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