United Airlines is experiencing delays at airports across the country Wednesday because of a systemwide computer problem affecting flight plans.

"The system that creates these flight plans for our crews and employees is experiencing a delay," United Airlines spokeswoman Erin Benson said.

Benson said the problem arose early Wednesday morning, and she gave no timetable for resolution. She said there are a "small number of delays," but the airline has not canceled any flights.

At Chicago’s O’Hare International Airport, the totals continue to climb, with 66 United flights listed as delayed just after 10 a.m., according to the live flight-tracking website FlightAware.

"We are working as quickly as we can to resolve it," Benson said.

The flight plan delay is the latest computer issue to affect United and its passengers. On Jan. 22, the airline was forced to ground all domestic flights for 2½ hours because of a problem with the system used to send pilots technical information needed before flights can depart.

More to come.

rchannick@chicagotribune.com

Twitter @RobertChannick

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