Part of the data ring
FlyTime
LHR → CUN

London to Cancún

10h 18mgate to gate

The flight from London Heathrow Airport (LHR) to Cancún International Airport (CUN) covers 7,951 km (4,940 miles) and takes approximately 10h 18m gate to gate for a typical jet.

The route heads west on an initial great-circle bearing of 281°, passing near 44.7° N, 54.3° W at its midpoint.

Great-circle strip Plate LHR–CUN
10h 18mGATE TO GATE2h 34m7h 43mLHRLondonCUNCancún281° WEST4,293 NM01,9883,9755,9637,951 km

Bearing 281° west Midpoint 44.7° N, 54.3° W Model 805 km/h + 25 min

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

Flight time10h 18mestimated, gate to gate
Distance7,951km · 4,940 mi
Nautical4,293nautical miles
Direction281°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: 7,951 km.
  3. Airborne time = that distance ÷ 805 km/h, a representative jet cruise speed: 9h 53m.
  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: 10h 18m 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.
7,951 km / 805 km/h = 9h 53m airborne
            + 25 min ground = 10h 18m 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.

LHR CUN

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/h14h 27m14h 53m
Narrowbody jet (A320, 737)780 km/h10h 12m10h 37m
Widebody jet (777, 787, A350)900 km/h8h 50m9h 15m
Private jet (Gulfstream)850 km/h9h 21m9h 46m

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

LHRCUN
AirportLondon Heathrow AirportCancún International Airport
CityLondonCancún
CountryUnited KingdomMexico
ICAOEGLLMMUN
Coordinates51.4707, -0.459921.0408, -86.8735
Elevation83 ft22 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 London to Cancún?

A non-stop flight from London (LHR) to Cancún (CUN) takes about 10h 18m. The great-circle distance is 7,951 km (4,940 miles, 4,293 nautical miles), flying west on an initial bearing of 281°.

How far is London from Cancún?

7,951 kilometres in a straight line over the earth's surface — 4,940 miles or 4,293 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 LHR and CUN?

This page calculates the direct-line time and distance; it does not track airline schedules. At 7,951 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 10h 18m 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.

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Published by

Amit Sharma

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