The holiday weekend caused chaos for airlines and passengers.

Over 2,500 flights have been canceled since Friday, as travelers flying over Memorial Day weekend faced delays. Over 400 flights traveling within, out of, or into the US were canceled on Monday alone, while about 2,400 were delayed.

Delta Air Lines canceled 700 flights over the long weekend. INRDeals INRDeals INRDeals INRDeals INRDeals INRDeals INRDeals INRDeals INRDeals INRDeals INRDeals INRDeals INRDeals INRDeals INRDeals INRDeals INRDeals INRDeals INRDeals INRDeals INRDeals INRDeals INRDeals INRDeals INRDeals INRDeals INRDeals INRDeals INRDeals INRDeals INRDeals INRDeals INRDeals INRDeals INRDeals INRDeals INRDeals INRDeals INRDeals INRDeals INRDeals INRDeals INRDeals INRDeals INRDeals INRDeals INRDeals INRDeals INRDeals INRDeals INRDeals INRDeals INRDeals INRDeals INRDeals INRDeals INRDeals INRDeals

Air traffic control issues, weather, and COVID-related sick calls were blamed for the disruptions by the carrier according to a research note shared with Insider.

The holiday weekend challenges were faced by other carriers. According to Insider, American canceled over 100 flights on Monday due to severe storms in Miami.

The airline had 25% of its schedule delayed and only 1% of its schedule canceled on Monday.

As airlines try to manage the busy summer travel season, there is chaos. On Thursday, Delta announced it was cutting about 100 daily flights from July 1 to August 7 due to surging demand, saying the adjustments will build additional resilience in our system and improve operational reliability for our customers and employees.

More than any time in our history, the various factors currently impacting our operation are contributing to higher-than-planned unscheduled absences in some work groups.

Changes have been made by airlines. In April, CNN was told that there would be a reduction in the number of flights in May. Alaska Airlines reduced summer flying by 2% through June, but did not face any major delays or cancelations over the holiday weekend.

Analysts say the summer travel season will be busy this year. According to USA Today, experts expect passenger volume to surpass the current year, but staffing shortages have led to mass cancellation.

Becker wrote that they expect a busy summer and that ticket prices will be high. The lack of crew members means smaller cities will continue to lose service and pricing should be strong through Labor Day.

The shortage of pilots has forced United Airlines to ground 100 of its regional jets.