IST → SOFIstanbul to Sofia

live

Direct flights from Istanbul (IST) to Sofia (SOF): 7 nonstop departures observed each week across 1 airline. 100% of the last 9 operated flights arrived within 15 minutes of schedule. The median arrival is on schedule. No cancellations were recorded across the 9 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 Istanbul and Sofia. Updated 17 September 2026 at 11:33 UTC.

IST Istanbul smooth · +0
SOF Sofia smooth · +6
469 km · ~1h 06m est.
dep bank 07:30–18:557x weekly
Runs reliable · 1 airline · 7x weekly · nonstop
100% on time

of the last 9 operated IST → SOF flights arrived within 15 minutes

Median arrival delay is +0 min. 0 of 9 tracked legs cancelled in the sample. Will a delayed flight be cancelled? →

Median arrival+0 minacross the last 9 operated legs
Flight time~1h 06mestimated from route distance
Weekly departures7x1 direct airline on the leg

The week

scheduled departures · origin local time
06121824
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 days
Turkish AirlinesTK100% on time

Flights TK1027 07:30 daily · TK1127 varies Fr Su · TK1031 13:45 daily · TK1029 18:55 daily

History

operated legs · board outcomes
09-17TK1027dep +0 → arr−3
09-17TK1031departed+0
09-16TK1027dep +0 → arr−5
09-16TK1029dep +0 → arr+2
09-16TK1031dep +0 → arr−6
09-15TK1027dep +0 → arr+11
09-15TK1029dep +0 → arr−9
09-15TK1031dep +0 → arr+0
09-14TK1027departed+0

Actual board outcomes rather than schedules, paired departure and arrival per flight and day.

Full board history, day by day →

Airports right now

live boards
ISTIstanbul +0 min smooth 🌤 scattered clouds · NE 9 kt Full IST delay board →
SOFSofia +6 min smooth 🌤 few clouds · WSW 5 kt Full SOF delay board →

Weather lens

Current conditions put the pressure at SOF: 26% odds of a 15+ minute delay and around +3 min expected when it bites, measured from this route's own weather-matched delay history. See live delays → · Weather risk by airport →

How the Istanbul to Sofia route actually runs

Pro Flight Search records official board updates for nonstop IST to SOF 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

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 — Istanbul (IST) to Sofia (SOF) route reliability, measured from operated flights on official airport boards.

Canonical URL
https://proflightsearch.com/search-flights/IST-SOF
How we measure this →

IST to SOF questions

Is IST–SOF running on time right now?

Smooth skies ahead. The arrival side at SOF is the weaker end, route health score 95/100. The airports section above carries the live status and delay window at both ends.

Morning or evening flight on IST–SOF?

Operators schedule morning departures around 07:30 and evening departures around 18:55 from IST. Earlier flights typically land before destination-airport delays accumulate later in the day; check the SOF delay card to confirm conditions when you'd arrive.

How long is the flight from IST to SOF?

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 IST–SOF 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.