ORD → LHRChicago to London

live

Direct flights from Chicago (ORD) to London (LHR): 21 nonstop departures observed each week across 3 airlines. 79% of the last 19 operated flights arrived within 15 minutes of schedule. The median arrival is 10 minutes early. No cancellations were recorded across the 19 tracked flights. The nonstop covers 6,343 km, an estimated 8 hours 38 minutes in the air. Measured by Pro Flight Search from live flight boards at Chicago and London. Updated 9 October 2026 at 03:59 UTC.

ORD Chicago smooth · +0
LHR London smooth · +4
6,343 km · ~8h 38m est.
dep bank 16:25–22:2521x weekly
Runs mixed · 3 airlines · 21x weekly · nonstop
79% on time

of the last 19 operated ORD → LHR flights arrived within 15 minutes

Median arrival delay is −10 min. 0 of 19 tracked legs cancelled in the sample. Will a delayed flight be cancelled? →

Median arrival−10 minacross the last 19 operated legs
Flight time~8h 38mestimated from route distance
Weekly departures21x3 direct airlines on the leg
Cancelled0.0%recent route rate · 0 of 19

The week

scheduled departures · origin local time
06121824
Mon
Tue
Wed
Thu
Fri
Sat
Sun
American AirlinesBritish AirwaysUnited Airlines

Each mark is a scheduled departure at its origin-local time, observed operating in the last 7 days. Today is highlighted.

Who flies it

observed on the boards · 7 days
American AirlinesAA100% on time

Flights AA86 17:55 daily · AA54 20:50 daily · AA98 22:25 daily

British AirwaysBA71% on time

Flights BA294 17:00 daily · BA20 varies Sa Su · BA298 19:05 daily · BA296 21:15 daily

United AirlinesUA67% on time

Flights UA929 16:25 daily · UA920 varies daily · UA938 21:30 daily

History

operated legs · board outcomes
10-08AA54dep −4 → arr−47
10-08AA86dep +8 → arr−27
10-08AA98departed+2
10-08BA294dep +16 → arr−7
10-08BA296dep +4 → arr−39
10-08BA298dep −3 → arr−46
10-08UA920dep +19 → arr−12
10-08UA929dep +255 → arr+265
10-08UA938departed+70
10-07AA54dep +20 → arr−15
10-07AA86dep −2 → arr−23
10-07AA98dep +3 → arr−33
10-07BA294dep +1 → arr−7
10-07BA296dep +29 → arr+8
10-07BA298dep +75 → arr+21
10-07BA6ACdeparted+38
10-07UA920dep +10 → arr−7
10-07UA929dep +11 → arr−23
10-07UA938dep +28 → arr−10

Actual board outcomes rather than schedules, paired departure and arrival per flight and day.

Full board history, day by day →

Airports right now

live boards
ORDChicago +0 min smooth 🌤 scattered clouds · S 4 kt Full ORD delay board →
LHRLondon +4 min smooth ⛅ overcast · WSW 16 kt Full LHR delay board →

Weather lens

Current conditions put the pressure at ORD: 37% odds of a 15+ minute delay and around +12 min expected when it bites, measured from this route's own weather-matched delay history. See live delays → · Weather risk by airport →

How the Chicago to London route actually runs

Pro Flight Search records official board updates for nonstop ORD to LHR flights through the day: schedules, estimates, gate pushes and actual departures. The verdict above comes from operated flights, so it reflects what this route does rather than what the timetable promises.

Planning around a delay? Live airport delays · Weather delay risk map · Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure

Cite this data

Journalists, bloggers, and researchers may cite this page with attribution and a link to Pro Flight Search.

Suggested citation

Pro Flight Search — Chicago (ORD) to London (LHR) route reliability, measured from operated flights on official airport boards.

Canonical URL
https://proflightsearch.com/search-flights/ORD-LHR
How we measure this →

ORD to LHR questions

Is ORD–LHR running on time right now?

Smooth skies ahead. The arrival side at LHR is the weaker end, route health score 85/100. The airports section above carries the live status and delay window at both ends.

Morning or evening flight on ORD–LHR?

Operators schedule evening departures around 17:00 from ORD. Earlier flights typically land before destination-airport delays accumulate later in the day; check the LHR delay card to confirm conditions when you'd arrive.

How long is the flight from ORD to LHR?

Great-circle distance is 6,343 km. With typical jet cruise speed plus taxi, climb and descent, expect roughly 478–574 min gate-to-gate on this route.

How often does ORD–LHR fly?

3 carriers operate this route, around 65 flights a week between them. Compare carrier days and times in the airline list above.