Turkish AirlinesTK92% on time
Flights TK1028 09:35 daily · TK1128 12:35 Fr Su · TK1032 15:50 daily · TK1030 21:10 daily
live
Direct flights from Sofia (SOF) to Istanbul (IST): 7 nonstop departures observed each week across 1 airline. 92% of the last 13 operated flights arrived within 15 minutes of schedule. The median arrival is 20 minutes early. No cancellations were recorded across the 13 tracked flights. The nonstop covers 469 km, an estimated 1 hour 6 minutes in the air. Measured by Pro Flight Search from live flight boards at Sofia and Istanbul. Updated 21 August 2026 at 21:18 UTC.
SOF
Sofia
busy · +27
IST
Istanbul
smooth · +0
469 km · ~1h 06m est.
Runs reliable · 1 airline · 7x weekly · nonstop
92% on time
of the last 13 operated SOF → IST flights arrived within 15 minutes
Median arrival delay is −20 min. 0 of 13 tracked legs cancelled in the sample. Will a delayed flight be cancelled? →
Search live fares for this route →Median arrival−20 minacross the last 13 operated legs
Flight time~1h 06mestimated from route distance
Weekly departures7x1 direct airline on the leg
Cancelled0.0%recent route rate · 0 of 13
Current nonstop fares
SOF → IST · one way · economy · 1 adult
TodayChecking…Direct airline fares
TomorrowChecking…Direct airline fares
In one weekChecking…Direct airline fares
The week
scheduled departures · origin local time06121824
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Turkish Airlines
Each 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 daysHistory
operated legs · board outcomesActual board outcomes rather than schedules, paired departure and arrival per flight and day.
Full board history, day by day →
Airports right now
live boardsWeather lens
Current conditions put the pressure at SOF: 26% odds of a 15+ minute delay and around +2 min expected when it bites, measured from this route's own weather-matched delay history. See live delays → · Weather risk by airport →
next sweep in 120s
How the Sofia to Istanbul route actually runs
Pro Flight Search tracks every published board update for nonstop SOF to IST flights: 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. Fares link straight to the operating airline with no markups.
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
Cite this data
Journalists, bloggers, and researchers may cite this page with attribution and a link to Pro Flight Search.
Suggested citation
Pro Flight Search — Sofia (SOF) to Istanbul (IST) route reliability, measured from operated flights on official airport boards.
Canonical URL
How we measure this →
https://proflightsearch.com/search-flights/SOF-IST
SOF to IST questions
Is SOF–IST running on time right now?
Smooth skies ahead. The departure side at SOF is the weaker end, route health score 82/100. The airports section above carries the live status and delay window at both ends.
Morning or evening flight on SOF–IST?
Operators schedule morning departures around 09:35 and evening departures around 21:10 from SOF. Earlier flights typically land before destination-airport delays accumulate later in the day; check the IST delay card to confirm conditions when you'd arrive.
How long is the flight from SOF to IST?
Great-circle distance is 469 km. With typical jet cruise speed plus taxi, climb and descent, expect roughly 63–70 min gate-to-gate on this route.
How often does SOF–IST fly?
Turkish Airlines runs the route with about 23 flights a week (daily). Since one carrier owns the route, a single disruption tends to ripple through the day.
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