Flight delays continued on Sunday, although they were less severe than the start to Memorial Day weekend. The disruptions are a challenge for carriers who prepare for busy summer travel after two years of the Covid epidemic.

Delta Air LinesThere were cancellations due to weather disruptions on Saturday. Republic Airways has operated many hundreds of flights. United Airlines, JetBlue Airways American AirlinesThey were also delayed on Saturday.

Flight-tracking website FlightAware reports that Delta cancelled 254 majorline flights on Saturday, representing 9% of its Saturday schedule. Another 530 mainline flights were also cancelled, which amounts to almost a fifth its scheduled flight times. That number fell to 143 cancellations or 5% and 116 (or 4%) delayed on Sunday.

According to Delta, 87% of its customers were rebooked for flights departing within 11 hours.

Last week, the Atlanta-based airline stated that it would trim its scheduleAround 2% of the flights will be increased by an additional 100 daily between July 1 and Aug. 7.

There are also other carriers like Alaska Airlines, JetBlue Airways Spirit AirlinesYou can also pared back schedulesYou can better deal with disruptions, such as severe weather and shortages of staff.

Carriers must balance their finances correctly. bookings recently jumpedHowever, airfares are now at levels that exceed pre-pandemic.