SunExpressXQ
Flights XQ1625 19:25 We
live
Direct flights from London (STN) to Kayseri (ASR): 1 nonstop departure observed each week across 1 airline. The median arrival is 10 minutes late. No cancellations were recorded across the 1 tracked flight. The nonstop covers 3,077 km, an estimated 4 hours 27 minutes in the air. Measured by Pro Flight Search from live flight boards at London and Kayseri. Updated 9 September 2026 at 22:08 UTC.
STN
London
smooth · +4
ASR
Kayseri
tracking
3,077 km · ~4h 27m est.
Running clean · 1 airline · 1x weekly · nonstop
92 / 100
route health from live STN and ASR delay boards
Median arrival delay is +10 min. 0 of 1 tracked legs cancelled in the sample. Will a delayed flight be cancelled? →
Median arrival+10 minacross the last 1 operated legs
Flight time~4h 27mestimated from route distance
Weekly departures1x1 direct airline on the leg
The week
scheduled departures · origin local time06121824
Mon
Tue
Wed
Thu
Fri
Sat
Sun
SunExpress
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 boardsnext sweep in 120s
How the London to Kayseri route actually runs
Pro Flight Search records official board updates for nonstop STN to ASR 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 — London (STN) to Kayseri (ASR) route reliability, measured from operated flights on official airport boards.
Canonical URL
How we measure this →
https://proflightsearch.com/search-flights/STN-ASR
STN to ASR questions
Is STN–ASR running on time right now?
Smooth skies ahead. The departure side at STN is the weaker end, route health score 92/100. The airports section above carries the live status and delay window at both ends.
How long is the flight from STN to ASR?
Great-circle distance is 3,077 km. With typical jet cruise speed plus taxi, climb and descent, expect roughly 247–294 min gate-to-gate on this route.
How often does STN–ASR fly?
SunExpress runs the route with about 1 flight a week (wed). 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 STN and arrival-side delay at ASR, 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.
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