Austin-Bergstrom International Airport experienced a power outage on Wednesday, causing flights to be delayed and entrances to be closed.
The power outage was reported in the terminal shortly after 4 a.m.
According to KXAN News in Austin, airport police shut down all entrances to the airport to keep additional individuals from entering the property as no flights were departing.
Shortly after 5 a.m., it was reported that 20 flights had been cancelled at the airport.
Airport officials said teams have been dispatched to investigate the cause of the outage.
At approximately 5:45 a.m., an announcement was made inside the terminal that said the power should remain out for another hour or so.
The Austin energy power map indicated that the outage at the airport was the only power outage citywide.
As of 6 a.m., some of the lights have begun to come back on at the airport, almost two hours after the outage began, KXAN reported.
