AA 1873 then WN 3980 at Salt Lake City
Chicago O'Hare → Salt Lake City → Phoenix Sky Harbor
Timetable, Salt Lake City time
16:45AA 1873 from Chicago O'Hare at the gate
20:50WN 3980 to Phoenix Sky Harbor leaves the gate
4 h 05 apart on the timetable
The last days
AA 1873 and WN 3980 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.