Dushanbe (DYU) → Tehran (IKA)
Dushanbe Airport → Imam Khomeini International Airport
Departure times are local to airport DYU.
Dushanbe (DYU) — Tehran (IKA): how long is the flight?
DYU — IKA: scheduled duration in the saved data is 2 hr 30 min, the median of available flights.
DYU — IKA: what is the distance?
The straight-line distance between airports DYU and IKA is about 1,605 km, not the actual flight path.