Part of the data ring
FlyTime
SIN → DFW

Singapore to Dallas-Fort Worth

19h 49mgate to gate

The flight from Singapore Changi Airport (SIN) to Dallas Fort Worth International Airport (DFW) covers 15,614 km (9,702 miles) and takes approximately 19h 49m gate to gate for a typical jet.

The route heads north-east on an initial great-circle bearing of 28°, passing near 56.8° N, 158.4° E at its midpoint.

Great-circle strip Plate SIN–DFW
19h 49mGATE TO GATE4h 57m14h 52mSINSingaporeDFWDallas-Fort Worth28° NORTH-EAST8,431 NM03,9037,80711,71015,614 km

Bearing 28° north-east Midpoint 56.8° N, 158.4° E Model 805 km/h + 25 min

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

Flight time19h 49mestimated, gate to gate
Distance15,614km · 9,702 mi
Nautical8,431nautical miles
Direction28°north-east

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: 15,614 km.
  3. Airborne time = that distance ÷ 805 km/h, a representative jet cruise speed: 19h 24m.
  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: 19h 49m 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.
15,614 km / 805 km/h = 19h 24m airborne
            + 25 min ground = 19h 49m 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.

SIN DFW

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/h28h 23m28h 49m
Narrowbody jet (A320, 737)780 km/h20h 01m20h 26m
Widebody jet (777, 787, A350)900 km/h17h 21m17h 46m
Private jet (Gulfstream)850 km/h18h 22m18h 47m

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

SINDFW
AirportSingapore Changi AirportDallas Fort Worth International Airport
CitySingaporeDallas-Fort Worth
CountrySingaporeUnited States
ICAOWSSSKDFW
Coordinates1.3502, 103.99432.8968, -97.038
Elevation22 ft607 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 Singapore to Dallas-Fort Worth?

A non-stop flight from Singapore (SIN) to Dallas-Fort Worth (DFW) takes about 19h 49m. The great-circle distance is 15,614 km (9,702 miles, 8,431 nautical miles), flying north-east on an initial bearing of 28°.

How far is Singapore from Dallas-Fort Worth?

15,614 kilometres in a straight line over the earth's surface — 9,702 miles or 8,431 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 SIN and DFW?

This page calculates the direct-line time and distance; it does not track airline schedules. At 15,614 km the route is at the extreme end of what any airliner can fly non-stop, so a connection is likely. Check an airline or booking site for what is actually scheduled.

What should I expect on a 19h 49m 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.