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Delayed on British Airways from Heathrow to Chicago (O'Hare)?

£520each if you land 3 hours or more late

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Flights a year
1,762
Landed on time
69.4%
Land 3 hrs or more late
12a year

Last 12 months, CAA data

What you're owed

Leaving Heathrow

£520each under UK law

Leaving Chicago (O'Hare)

£520each under UK law

Chicago (O'Hare) is outside the UK and EU, so coming back this only applies if a UK or EU airline operated the flight.

Heathrow to Chicago (O'Hare) is 6,344 km, which fixes the figure: £520 each leaving Heathrow, and the same £520 each coming back if a UK or EU airline operated the flight. It is per person, so four of you is £2,080.

How British Airways does on this route

Better or worse than the route itself?

Everyone flying Heathrow to Chicago (O'Hare) hits the same airspace and the same two airports, so the honest question is not whether the route is busy, it is whether this airline handles it better or worse than the others on it.

On this route British Everyone
Landed on time 69.4% 72.3%
Average delay 17.3 min 20.7 min
Landed 3 hours or more late 0.7% 1.5%

On this route British Airways is 2.9 points worse than the other airlines flying it, and its average delay is 3.4 minutes shorter.

Against its own network it is 7 points worse than usual: British Airways lands on time 76.4% of the time across all 309,084 of its UK flights a year, against 69.4% here.

In money terms: about 12 flights a year on this route land 3 hours or more late, which is about 1 flight in 140. Everyone on board one of those is owed £520 each, so a full aircraft is a five-figure bill for British Airways.

Other airlines on this route

Same two airports, same 6,344 km, same £520.

Everything we hold on Heathrow to Chicago (O'Hare) · British Airways across every UK airport

Source: UK Civil Aviation Authority punctuality statistics, July 2025 to June 2026. Analysis by CheckFlightCompensation; the CAA is credited as the data source as its publication conditions require. Figures cover the 25 largest UK airports. Methodology and limitations.