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FlightLogic is an independent, advertising-supported information service that lets you compare airlines, airports, hotels, and travel products. We do not provide financial advice and we do not recommend specific products or providers. Links marked * are advertising links and may earn us commission at no extra cost to you — always read the terms of any product before booking or applying. Learn more about how we make money.
San Francisco International Airport vs Islamabad International Airport
Detailed comparison of SFO and ISB on FlightLogic scores and passenger experience.
Verdict
San Francisco International Airport (SFO) scores higher overall at 7.8/10 versus Islamabad International Airport (ISB) at 7.4/10.
4 terminals (T1–T3 domestic, International Terminal A & G) · 50M+ passengers/year
7.8/ 10
How good is San Francisco International Airport?
San Francisco International Airport (SFO) scores 7.8/10 (Very Good)
on FlightLogic's airport index — combining on-time performance (7.5),
passenger experience (7.7), and facilities (8.2).
Lounge quality rates 8.3/10. See full airport guide →
In short
San Francisco SFO is rated 7.8/10 on FlightLogic with lounge score 8.3/10. United Polaris Lounge in International Terminal G is the premium benchmark for transpacific business class. Centurion Lounge in Terminal 3 serves domestic and some international cardholders. See /guides/sfo-airport-lounge-guide-2026.
FlightLogic Score7.8Very Good
On-time7.5Departure reliability
Experience7.7Staff, queues, cleanliness
Facilities8.2Food, shops, seating
Lounges8.3Lounge quality
Rating basisEditorialFlightLogic methodology
Score breakdown
Modelled on industry airport indices — on-time data, facilities ratings, and editorial experience signals combined into a single FlightLogic score.
On-Time Performance
7.5
Passenger Experience
7.7
Facilities & Comfort
8.2
Lounge score8.3/10
Highlights
United Polaris Lounge in International Terminal G — among the best US airline lounges for transpacific departures
International Terminal A and G host Star Alliance, oneworld, and Centurion Lounge for long-haul passengers
BART train to downtown San Francisco in 30 minutes — preferred over LAX for city access on business trips
Common UK routing via London with BA, Virgin Atlantic, and United non-stops
Overview
West Coast tech gateway — United Polaris hub with strong Asia-Pacific routes and renovated International Terminal lounges.
International Terminal and Polaris
International Terminal G hosts United Polaris Lounge for United long-haul business class and Star Alliance Gold on international departures. Terminal A serves other Star Alliance and oneworld long-haul carriers with alliance lounges.
Airside connections exist between International Terminal A and G — easier than JFK for Star Alliance connections.
1 integrated terminal (New Islamabad Airport) · 8M+ passengers/year
7.4/ 10
How good is Islamabad International Airport?
Islamabad International Airport (ISB) scores 7.4/10 (Very Good)
on FlightLogic's airport index — combining on-time performance (7.2),
passenger experience (7.3), and facilities (7.7).
Lounge quality rates 7.5/10. See full airport guide →
In short
Islamabad ISB scores 7.4/10 — Pakistan capital gateway. PIA from MAN/BHX; Gulf hub connections via QR/EK. See /guides/uk-pakistan-flights-guide-2026 and /guides/islamabad-airport-lounge-guide-2026.
FlightLogic Score7.4Very Good
On-time7.2Departure reliability
Experience7.3Staff, queues, cleanliness
Facilities7.7Food, shops, seating
Lounges7.5Lounge quality
Rating basisEditorialFlightLogic methodology
Score breakdown
Modelled on industry airport indices — on-time data, facilities ratings, and editorial experience signals combined into a single FlightLogic score.
On-Time Performance
7.2
Passenger Experience
7.3
Facilities & Comfort
7.7
Lounge score7.5/10
Highlights
Primary UK–Pakistan gateway for Islamabad, Rawalpindi, and northern Punjab
PIA direct MAN–ISB and BHX–ISB; Gulf carriers via DXB/DOH most competitive on price
New integrated terminal (2018) — Marhaba and Priority Pass lounges
e-Visa or visa on arrival for UK passport holders — apply online before travel
Overview
Pakistan's capital gateway — PIA direct from Manchester and Birmingham plus one-stop via Dubai, Doha, and Istanbul for UK–Punjab and KPK VFR traffic.
UK VFR routing
Compare direct PIA vs one-stop Qatar/Emirates — Gulf carriers often cheaper in business with superior lounge product.
Allow 60+ min immigration at peak UK arrival banks (Jun–Aug, Dec–Jan).
FAQ
Which is better, San Francisco International Airport or Islamabad International Airport?
San Francisco International Airport (SFO) scores higher overall at 7.8/10 versus Islamabad International Airport (ISB) at 7.4/10.
Which has better lounges, SFO or ISB?
San Francisco International Airport (SFO) scores higher for lounges at 8.3/10, versus Islamabad International Airport at 7.5/10.
Which airport is more on-time, SFO or ISB?
San Francisco International Airport (SFO) has stronger on-time performance at 7.5/10 versus Islamabad International Airport (ISB) at 7.2/10.
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