LHR
London
IST
Istanbul
London to Istanbul
Flight Compensation
Medium-haul to Istanbul — Turkish weather and NATS delays.
LHR–IST is a medium-haul leisure and business route operated by British Airways and Turkish Airlines. Istanbul serves as Turkey's primary hub for onward connections to Middle East and Asia. Delays are driven by NATS LHR restrictions, Istanbul airport capacity, and Turkish weather. Passengers delayed 3+ hours are entitled to £350 per person under UK261.
£350
Max compensation (UK261 tier 2)
2,511 km
Route distance
5h 0m
Scheduled flight time
Max Compensation
£350
per passenger · LHR departures
1,500–3,500 km · Medium-haul
Average processing: 42 days
Free check · 6 years limit · No fee unless we win
01Route Intelligence
LHR–IST carries approximately 600,000 passengers annually. Eurocontrol data: average 28-minute delays. Istanbul is Turkey's busiest airport with significant hub activity.
Our Success Rate
76%
on LHR–IST claims
Average Payout
£332
per passenger
Peak Disruption Periods
June – August
Summer leisure peak, Istanbul hub saturation, Mediterranean heat
November – March
Winter weather in Eastern Europe and Turkey, occasional severe storms
Key Legal Nuance on This Route
What Makes LHR–IST Claims Different
This tier 2 route has good claim success. Istanbul's hub congestion is routine and foreseeable, not extraordinary.
02Airlines on This Route
Who operates LHR–IST, their delay record, and how they resist claims.
British Airways
BAAvg Delay
38min
Claim Success
75%
How BA Resists Claims on This Route
BA cites 'Istanbul airport capacity' and 'Turkish weather'. Both are foreseeable and routine.
Turkish Airlines
TKAvg Delay
35min
Claim Success
77%
How TK Resists Claims on This Route
Turkish Airlines argues 'Istanbul hub congestion' and 'severe weather'. Hub congestion is foreseeable; weather must be documented.
03Disruption Causes & Legal Status
What actually causes delays on LHR–IST — and whether each is extraordinary under UK261.
NATS LHR Flow Control
~40% of delays
LHR departure delays of 30–60 minutes.
Routine.
Istanbul Airport Congestion & Hub Activity
~35% of delays
Istanbul's hub waves and runway congestion.
Foreseeable.
Turkish Weather (Thunderstorms, Fog, Wind)
~15% of delays
Eastern Mediterranean weather, occasional severe convection.
Documented severe weather may be extraordinary.
Late Inbound Aircraft
~10% of delays
Inbound rotation late.
Aircraft substitution feasible.
04How We Handle LHR–IST Claims
You submit your flight details
2 minutes. Flight number, date, and what happened. We identify the operating carrier automatically — critical for codeshare routes.
We verify the LHR–IST specific cause
We verify against NATS and Istanbul Airport Authority records. Standard processing for tier 2.
Submission, escalation, and payment
Both carriers have reasonable settlement rates (75–77%). Escalation to CAA: 20% of claims.
05UK261 on LHR–IST
UK261 applies because LHR is a UK airport
Your departure airport (LHR, London) is in United Kingdom. UK261 covers all flights departing UK airports, regardless of airline nationality or destination. The fact that your destination (IST, Istanbul) is in Turkey does not change the applicable regulation.
Enforcement Body
UK Civil Aviation Authority (CAA)
Claim Time Limit
6 years from flight date
06Frequently Asked Questions
Real questions from passengers who flew LHR–IST.
Is Istanbul 'hub congestion' an excuse?
No. Istanbul's hub congestion is foreseeable and within Turkish Airlines' control.
What am I owed for a 3+ hour delay?
£350 per passenger under UK261 for a tier 2 flight (1,500–3,500 km) with 3+ hour arrival delay.
BA said the delay was due to 'Turkish weather'. Is that always extraordinary?
Not automatically. Weather must be genuinely severe and documented by meteorological reports. Routine rain or wind is not extraordinary.
How long to claim?
Up to 6 years under UK261.
Ready to Claim?
Start Your LHR → IST Claim
No win, no fee. We verify the exact delay cause, identify the operating carrier, and submit directly to UK Civil Aviation Authority (CAA) if needed.