(NEW YORK) — At least 893 flights were canceled in the United States on Wednesday morning, with departures from the busy hubs of Chicago, Denver and Atlanta leading the list of the most cancellations, according to FlightAware.

Another 1,117 flights had been delayed as of about 1 p.m. ET, according to FlightAware.

Chicago O’Hare International topped the tracker’s list of cancellations, with 45 as of about 1 p.m. local time. Next was Denver with 43 and Atlanta’s Hartsfield-Jackson with 37.

Wednesday’s flight cancellations appeared set to continue a dayslong streak of headaches at American airports, which were operating under duress amid a federal government shutdown.

The cancellations and delays have slowly crept down throughout the week, however, as Congress appeared ready to end the sh

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