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Direct flights from Shenzhen (SZX) to Tehran (IKA): 5 nonstop departures observed each week across 1 airline. The nonstop covers 6,155 km, an estimated 8 hours 23 minutes in the air. Measured by Pro Flight Search from live flight boards at Shenzhen and Tehran. Updated 13 September 2026 at 14:48 UTC.
route health from live SZX and IKA delay boards
The week
scheduled departures · origin local timeEach mark is a scheduled departure at its origin-local time, observed operating in the last 7 days. Today is highlighted.
Who flies it
observed on the boards · 7 daysAirports right now
live boardsnext sweep in 120s
How the Shenzhen to Tehran route actually runs
Pro Flight Search records official board updates for nonstop SZX to IKA flights through the day: schedules, estimates, gate pushes and actual departures. The verdict above comes from operated flights, so it reflects what this route does rather than what the timetable promises.
Planning around a delay? Live airport delays · Weather delay risk map · Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
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Pro Flight Search — Shenzhen (SZX) to Tehran (IKA) route reliability, measured from operated flights on official airport boards.
https://proflightsearch.com/search-flights/SZX-IKA
SZX to IKA questions
Is SZX–IKA running on time right now?
Mostly on schedule. The departure side at SZX is the weaker end, route health score 68/100. The airports section above carries the live status and delay window at both ends.
How long is the flight from SZX to IKA?
Great-circle distance is 6,155 km. With typical jet cruise speed plus taxi, climb and descent, expect roughly 464–558 min gate-to-gate on this route.
How often does SZX–IKA fly?
Mahan Air runs the route with about 5 flights a week (sun, tue, wed, thu, fri). Since one carrier owns the route, a single disruption tends to ripple through the day.
What does the route health score measure?
A blend of departure-side delay at SZX and arrival-side delay at IKA, computed from rolling delay windows (refreshed every 40 minutes) with a daily-rollup fallback. Current MVFR, IFR, or LIFR endpoint weather caps the score when flight rules can limit throughput. Higher is healthier: 100 means operations are clean at both ends.