Part of the data ring
FlyTime
ORD → CGN

Chicago to Köln (Cologne)

8h 55mgate to gate

The flight from Chicago O'Hare International Airport (ORD) to Cologne Bonn Airport (CGN) covers 6,836 km (4,248 miles) and takes approximately 8h 55m gate to gate for a typical jet.

The route heads north-east on an initial great-circle bearing of 46°, passing near 57.2° N, 45.5° W at its midpoint.

Great-circle strip Plate ORD–CGN
8h 55mGATE TO GATE2h 14m6h 41mORDChicagoCGNKöln (Cologne)46° NORTH-EAST3,691 NM01,7093,4185,1276,836 km

Bearing 46° north-east Midpoint 57.2° N, 45.5° W Model 805 km/h + 25 min

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

Flight time8h 55mestimated, gate to gate
Distance6,836km · 4,248 mi
Nautical3,691nautical miles
Direction46°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: 6,836 km.
  3. Airborne time = that distance ÷ 805 km/h, a representative jet cruise speed: 8h 30m.
  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: 8h 55m 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.
6,836 km / 805 km/h = 8h 30m airborne
            + 25 min ground = 8h 55m 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.

ORD CGN

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/h12h 26m12h 51m
Narrowbody jet (A320, 737)780 km/h8h 46m9h 11m
Widebody jet (777, 787, A350)900 km/h7h 36m8h 01m
Private jet (Gulfstream)850 km/h8h 03m8h 28m

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

ORDCGN
AirportChicago O'Hare International AirportCologne Bonn Airport
CityChicagoKöln (Cologne)
CountryUnited StatesGermany
ICAOKORDEDDK
Coordinates41.9786, -87.904850.8659, 7.1427
Elevation680 ft302 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 Chicago to Köln (Cologne)?

A non-stop flight from Chicago (ORD) to Köln (Cologne) (CGN) takes about 8h 55m. The great-circle distance is 6,836 km (4,248 miles, 3,691 nautical miles), flying north-east on an initial bearing of 46°.

How far is Chicago from Köln (Cologne)?

6,836 kilometres in a straight line over the earth's surface — 4,248 miles or 3,691 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 ORD and CGN?

This page calculates the direct-line time and distance; it does not track airline schedules. At 6,836 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 8h 55m 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.