FD 4123 then 3U 8187 at Bangkok
Phuket → Bangkok → Chiang Mai
Timetable, Bangkok time
16:10FD 4123 from Phuket at the gate
17:493U 8187 to Chiang Mai leaves the gate
1 h 39 apart on the timetable
The last days
FD 4123 and 3U 8187 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.