Flight operations in the United States appeared to improve Wednesday, with fewer scheduled cancellations on the sixth day of air travel disruptions, though airlines have warned it would take time for normal services to resume. Subscribe for unlimited access to The Post You can cancel anytime. Subscribe

More than 811 flights — or 3.5 percent — have been canceled for Wednesday so far, according to aviation analytics company Cirium, down from previous days this week. But airlines are still preparing to make further cuts to their schedules under the plan laid out last week by the Trump administration. The 6 percent reduction in flight traffic that came into effect Tuesday is scheduled to grow to 8 percent by Thursday and 10 percent by Friday.

Many carriers said they are working to ensure

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