Millions of people are expected to pass through Midway and O'Hare International Airports this spring break and Easter weekend.
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Air carriers project about 2.9 million passengers to pass through to O'Hare and Midway between Thursday, March 21 and Monday, April 1 for the travel period with Holy Week celebrations, Easter and spring break for Chicago Public Schools.
Chicago's Department of Aviation said O'Hare is expected to see a 7% jump in passengers from last year's spring break travel period.
Midway could see an increase of almost 2.5%.
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