Islamabad, Pakistan
| IATA Code | ISB |
|---|---|
| ICAO Code | OPIS |
| City | Islamabad |
| Country | Pakistan |
| Time Zone | Asia/Karachi |
| Coordinates | 33.5492, 72.8254 |
In a raw PNR segment line, ISB shows up as the three-letter origin or destination code — for example, a segment from London to Islamabad might read:
2 BA 587 Y 15JUL 2*LHRISB HK1 800A 2000P
The last three letters of the route pair (ISB) tell you the flight is arriving at Islamabad International Airport.
Real, calculated straight-line distances (great-circle) and a rough nonstop flight-time estimate:
| Hub | Distance | Est. Flight Time |
|---|---|---|
LHR (London) | 6,052 km / 3,761 mi | ≈ 7.1h nonstop |
JFK (New York) | 11,083 km / 6,887 mi | ≈ 13.0h nonstop |
DXB (Dubai) | 1,923 km / 1,195 mi | ≈ 2.3h nonstop |
SIN (Singapore) | 4,830 km / 3,001 mi | ≈ 5.7h nonstop |
SYD (Sydney) | 11,089 km / 6,890 mi | ≈ 13.0h nonstop |
Flight time is a rough estimate based on typical long-haul cruise speed — actual routing, wind, and aircraft type will change the real duration.
The main IATA airport code for Islamabad is ISB — Islamabad International Airport.
Islamabad International Airport operates on Asia/Karachi time.
In a flight segment line, ISB appears as the three-letter origin or destination code, e.g. a route shown as ...ISB... in Amadeus, Sabre, Galileo, or Worldspan.
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