UA920United Airlines · ORD → LHR
live · 9m ago
Route confirmed United Airlines

UA920 ChicagoORD · 18:35 LondonLHR · 08:30

UA920 by United Airlines flies from Chicago (ORD) to London (LHR) for the Sun, Oct 18 departure.

Right nowScheduled · gate C15
18:35

departs ORD · on schedule

Typical gate push−1 minmedian posted departure
Typical arrival−21 minmedian over 4 operations
Wins back in air~20 minmedian gate push vs arrival · how planes make up time →

Where the minutes go

last 4 operations · gate push → arrival
0+30+60+90 min
10-17
−1 gate · −29 arrival
10-16
−3 gate · −49 arrival
10-15
+13 gate · +4 arrival
10-14
−8 gate · −21 arrival

The bar is how late it left the gate; the ring is where it actually arrived. Board clocks, not estimates.

The route today

live boards
ORDChicagoOn-time likelyORD delay board →
LHRLondonHigh riskLHR delay board →
ORD→LHRevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Delay & cancellation outlook for this flight

Measured, 90-day sample
36%Chance of 15+ min delay
2.6%Chance of cancellation
+12 minAvg hub delay right now

Conditions at ORD and LHR are near their clear-air norm right now, so this reflects the route's recent baseline rather than a weather penalty. For this route and airline, under conditions like today's, over the last 90 days.

Pro Flight Search tracking, 90 days · the weather × delay correlation study → · live weather risk by airport →

When it flies

scheduled departures
061422
M
T
W
T
F
S
S

Each mark is a scheduled departure at its origin-local time. Today is highlighted.

Other Chicago to London flights today

same route · United Airlines
UA929departs 16:25
UA938departs 21:30

If UA920 is cancelled, these are the other United Airlines nonstop flights from Chicago to London on the same day, with scheduled departure times in ORD local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →

How UA920 actually runs

Pro Flight Search has tracked every published board update for UA920 across the ORD and LHR boards: schedule changes, gate pushes and actual clocks. Usually lands ~21 min early. Based on 3 confirmed landings · 3/3 within 15 min of schedule. Pushes back late but makes up time in the air.

The verdict above is that record speaking, so it reflects how UA920 operates rather than what the timetable promises. Numbers refresh as new flights operate.

Technical record

How this operation is measured

board clocks

Board log

scheduled → actual, per operation
10-17ORD 18:05 18:04 (−1)LHR 08:30 08:01 (−29)
10-16ORD 18:35 18:32 (−3)LHR 09:00 08:11 (−49)
10-15ORD 18:05 18:18 (+13)LHR 08:30 08:34 (+4)
10-14ORD 18:05 17:57 (−8)LHR 09:00 08:39 (−21)

Board clocks recorded as ORD and LHR published them.

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 — UA920 Chicago to London on-time performance, measured from the ORD and LHR airport boards.

Canonical URL
https://proflightsearch.com/flight/UA920
How we measure this →