Pakistan International AirlinesPK
Flights PK785 varies We Fr Su
live
Direct flights from Attock (ISB) to London (LHR): 3 nonstop departures observed each week across 1 airline. The median arrival is 4 minutes early. No cancellations were recorded across the 4 tracked flights. The nonstop covers 6,054 km, an estimated 8 hours 16 minutes in the air. Measured by Pro Flight Search from live flight boards at Attock and London. Updated 20 September 2026 at 23:08 UTC.
ISB
Attock
tracking
LHR
London
smooth · +0
6,054 km · ~8h 16m est.
Running clean · 1 airline · 3x weekly · nonstop
100 / 100
route health from live ISB and LHR delay boards
Median arrival delay is −4 min. 0 of 4 tracked legs cancelled in the sample. Will a delayed flight be cancelled? →
Median arrival−4 minacross the last 4 operated legs
Flight time~8h 16mestimated from route distance
Weekly departures3x1 direct airline on the leg
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 Attock to London route actually runs
Pro Flight Search records official board updates for nonstop ISB to LHR 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 — Attock (ISB) to London (LHR) route reliability, measured from operated flights on official airport boards.
Canonical URL
How we measure this →
https://proflightsearch.com/search-flights/ISB-LHR
ISB to LHR questions
Is ISB–LHR running on time right now?
Smooth skies ahead. Both endpoints currently score the same, route health score 100/100. The airports section above carries the live status and delay window at both ends.
How long is the flight from ISB to LHR?
Great-circle distance is 6,054 km. With typical jet cruise speed plus taxi, climb and descent, expect roughly 457–549 min gate-to-gate on this route.
How often does ISB–LHR fly?
Pakistan International Airlines runs the route with about 3 flights a week (sun, wed, 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 ISB and arrival-side delay at LHR, 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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