UA 686 then F9 2562 at Houston
San Francisco → Houston → Tampa
Timetable, Houston time
13:08UA 686 from San Francisco at the gate
11:57F9 2562 to Tampa leaves the gate
22 h 49 apart on the timetable, overnight
F9 2562 leaves 22 h 49 after UA 686 arrives on the timetable: more than half a day, so not a connection we count.