A United Airlines flight declared an emergency on Sunday after hitting a coyote during takeoff at Chicago O'Hare International Airport, airline officials confirmed.

United Airlines said on Friday it is donating $1 million to President-elect Donald Trump's inaugural committee and said CEO Scott Kirby plans to attend various events over the long holiday weekend.

None of the 167 passengers or six crew on the flight were hurt during the incident, which occurred at Chicago O'Hare.

The pilots talked to air traffic controllers who appear to have directed the planes to "resequence," and flight data appears to show both making a circle before landing safely.

Alaska Airlines is the only United States-based carrier that was in AirlineRatings' top 10—although Hawaiian, American, Delta and United were in the top 25.

A United Airlines passenger jet struck a coyote on the runway during takeoff in Chicago, forcing the flight to return to O'Hare International Airport to have the landing gear examined.

The two flights, United Airlines Flight 1724 and Delta Air Lines Flight 1070 came too close to each other while arriving at the airport.

CHICAGO (WLS/CNN/CNN Newsource/WKRC) - A United Airlines flight returned to the airport after striking a coyote during takeoff. A United Airlines flight was forced to return to Chicago O'Hare Airport on Sunday after the aircraft struck a coyote during takeoff.

The FAA said it is investigating after a Delta Air Lines flight and United Airlines flight experienced 'a loss of required separation' while heading inbound to Phoenix Sky Harbor International Airport.

A United Airlines flight struck a coyote on the runway during takeoff from Chicago O’Hare International Airport, forcing the jet to return to the airport.

A United Airlines flight from Chicago to Phoenix had to return to O’Hare International Airport on Sunday morning after its landing gear struck a coyote during takeoff.