Part of the data ring
FlyTime
DEL → IST

New Delhi to Istanbul

6h 06mgate to gate

The flight from Indira Gandhi International Airport (DEL) to İstanbul Airport (IST) covers 4,567 km (2,838 miles) and takes approximately 6h 06m gate to gate for a typical jet.

The route heads north-west on an initial great-circle bearing of 301°, passing near 37.4° N, 54.9° E at its midpoint.

Great-circle strip Plate DEL–IST
6h 06mGATE TO GATE1h 31m4h 34mDELNew DelhiISTIstanbul301° NORTH-WEST2,466 NM01,1422,2833,4254,567 km

Bearing 301° north-west Midpoint 37.4° N, 54.9° E Model 805 km/h + 25 min

SOURCE·OurAirports + great-circle computation·REVIEWED JUL 2026

Flight time6h 06mestimated, gate to gate
Distance4,567km · 2,838 mi
Nautical2,466nautical miles
Direction301°north-west

How this is worked out

  1. Take both airports' published coordinates from OurAirports — nothing here is scraped from another flight site.
  2. Great-circle distance by haversine on a mean earth radius of 6,371.0088 km: 4,567 km.
  3. Airborne time = that distance ÷ 805 km/h, a representative jet cruise speed: 5h 40m.
  4. Add a flat 25 minutes for pushback, taxi, climb, descent and taxi-in — the reason a 400 km hop is never half an hour: 6h 06m gate to gate.
  5. Winds, aircraft type and airline schedule padding are not modelled. The cruise-speed table shows how much that assumption is worth.
4,567 km / 805 km/h = 5h 40m airborne
            + 25 min ground = 6h 06m gate to gate

The full model, and what it ignores →

SOURCE·OurAirports + great-circle computation·REVIEWED JUL 2026

The same route, plotted on a world grid

The strip above gives the route its length and its shape. This gives it a position: latitude and longitude only, no coastlines, because a hand-drawn coastline would be decoration pretending to be data. On a flat grid the shortest path looks bent; on a globe it is straight.

DEL IST

Flight time at different cruise speeds

Aircraft type, winds and routing all move the real number. This is the same distance flown at different speeds, plus the 25-minute ground and climb allowance.

Typical ofCruise speedAirborneGate to gate
Turboprop / regional550 km/h8h 18m8h 43m
Narrowbody jet (A320, 737)780 km/h5h 51m6h 16m
Widebody jet (777, 787, A350)900 km/h5h 04m5h 30m
Private jet (Gulfstream)850 km/h5h 22m5h 48m

Headwinds on an eastbound long-haul routinely add 30–60 minutes; the same route westbound can be quicker. Airlines publish schedules with padding built in.

SOURCE·OurAirports + great-circle computation·REVIEWED JUL 2026

Both airports

DELIST
AirportIndira Gandhi International Airportİstanbul Airport
CityNew DelhiIstanbul
CountryIndiaTurkey
ICAOVIDPLTFM
Coordinates28.5556, 77.095241.2749, 28.7321
Elevation777 ft325 ft

Every figure on this plate is geometry. The shape of the earth is knowable; the airline's schedule is not.

Questions this plate answers

How long is the flight from New Delhi to Istanbul?

A non-stop flight from New Delhi (DEL) to Istanbul (IST) takes about 6h 06m. The great-circle distance is 4,567 km (2,838 miles, 2,466 nautical miles), flying north-west on an initial bearing of 301°.

How far is New Delhi from Istanbul?

4,567 kilometres in a straight line over the earth's surface — 2,838 miles or 2,466 nautical miles. Actual flown distance is usually 2–5% longer because aircraft follow airways, avoid weather and route around restricted airspace.

Is there a non-stop flight between DEL and IST?

This page calculates the direct-line time and distance; it does not track airline schedules. At 4,567 km the route is comfortably within range of a non-stop service if an airline chooses to fly it. Check an airline or booking site for what is actually scheduled.

What should I expect on a 6h 06m flight?

Anything past six hours is a long-haul flight: expect at least one meal service, a significant time-zone shift, and enough sitting that circulation and hydration start to matter. Cabin altitude, dry air and disrupted sleep do more damage to a training routine than the flight itself.

Airport coordinates from OurAirports (public domain). Distance is a great-circle calculation; flight time uses the model described on the method page. Flight times are great-circle estimates for planning only — always check the airline's published schedule.

See all 10 sites in this family, with what each one answers

Published by

Amit Sharma

Auckland real-estate agent and marketer. Builds free, sourced data tools.