Thousands of flights in the US have been canceled since the Federal Aviation Administration ordered airlines to reduce traffic amid the government shutdown.
According to data from the aviation analytics firm Cirium, over 7,000 flights from US airports were canceled between Friday and Monday.
That translates to about 6% of all scheduled flights, it said.
With over 2,600 cancellations, Sunday was the 4th-worst day for canceled flights since the start of 2024, per Cirium.
It found that Delta Air Lines was the most affected that day, with 708 cancellations, or 14% of the scheduled flights.
Delta also had the most cancellations on Monday, at 492, or about 10% of its schedule.
It was closely followed by American Airlines’ 426 cancellations, which accounted for 7% of the airline’s scheduled flights.
United Airlines also canceled about 7% of its schedule, equal to 323 flights.
Southwest Airlines canceled 192 flights, almost 5% of its schedule, per Cirium.
The FAA implemented an emergency order on Thursday to reduce traffic at 40 of the country’s busiest airports.
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The government shutdown means air traffic controllers are working without pay. But now, on its 41st day, more of them are calling off sick, leading to understaffing and flight delays. The FAA said it needs to cut flight capacity to ensure it maintains the highest levels of safety.
Senators met for a rare Sunday session, where they reached a deal to end the longest government shutdown in US history.
However, the measure also needs to be debated in the Senate, then approved by the House of Representatives.
The FAA said that airlines are required to give customers full refunds for cancellations.
Airlines may also try to rebook passengers on alternative flights. If you’re booked to fly over the coming weeks, they should directly inform you of any changes.