UA 502 then WN 8580 at Denver
Nashville → Denver → Palm Springs
Timetable, Denver time
12:40UA 502 from Nashville at the gate
16:20WN 8580 to Palm Springs leaves the gate
3 h 40 apart on the timetable
The last days
UA 502 and WN 8580 weren’t both flown 15 min to 12 h apart in the last 21 days.
Statistics from past flights, not live flight information. Always check times and your connection with your airline, and don’t base travel or booking decisions on these numbers.