You can go to the Big Wild Goose Pagoda. Take bus No.23 and No.8 (6 10) at Guangji Street Station at one o'clock in gulou west and get off at the South Square of Big Wild Goose Pagoda. Walk into the Big Wild Goose Pagoda.
At noon 12, go to the North Square of Big Wild Goose Pagoda to watch the fountain water dance performance. After watching the fountain water dance performance, take the airport bus to the airport in front of the Datang Boxiangfu Hotel in the southeast corner of the North Square of Big Wild Goose Pagoda (if you go out to see the fountain water dance performance in the North Square of Big Wild Goose Pagoda, you can go east to see the Datang Boxiangfu Hotel first). The airport bus leaves from Datang Boxiangfu Hotel every hour. You can take the 1 pm flight and arrive at the airport around 2 pm, just in time to check in.