✈ ORD → PRG
9H 26M FLIGHT. TWO MOVIES, NO SLEEP, ONE EXISTENTIAL CRISIS.
Flight from Chicago to Prague
From O'Hare (ORD), USA North America → Václav Havel (PRG), Czechia Europe
How long is the flight from Chicago to Prague?
A nonstop flight from Chicago (ORD) to Prague (PRG) takes about 9 hours 26 minutes, covering a great-circle distance of 4,535 miles (7,298 km). Actual scheduled time varies by airline, routing, and wind — expect ±15 to 30 minutes from this estimate.
Avg flight time
9h 26m
Nonstop, scheduled
Distance
4,535 mi
7,298 km · great-circle
Avg speed
773 km/h
Door-to-door including taxi
Time zones & jet lag
Chicago timezone
UTC-5
America/Chicago
Prague timezone
UTC+2
Europe/Prague
Time difference
+7h
7 hours ahead
Jet lag (rough)
~7d
Eastward — worse
CO₂ footprint per passenger
Economy class, single passenger. Source: DEFRA 2024 averages.
This flight emits roughly 3.6× the CO₂ of an equivalent train trip and 0.9× a car driven alone over the same distance.