Republic Airways is a key supplier for United Express, American Eagle, and Delta Connection, but those airlines say that Republic Airways' bankruptcy won't disrupt service. Republic's airline subsidiaries run more than 1,000 flights every day and filed for Chapter 11 protection on Thursday but said it will continue flights as usual. Shared dropped 73 percent on Friday and closed at 92 cents each. Republic Airways has contracts with the three major airlines and runs regional flights using smaller planes. Travelers purchase their tickets from the large airlines, which in turn pay regional carriers operate those flights. Republic makes up just over 10 percent of United's regional fleet, around three percent of flights by American and American Eagle, and is one of the four regional carriers Delta uses.
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