UA923United Airlines · LAX → LHR
live · 2m ago
Route confirmed United Airlines

UA923 Los AngelesLAX · 15:40 LondonLHR · 10:10

UA923 by United Airlines flies from Los Angeles (LAX) to London (LHR) for the Tue, Oct 20 departure.

Right nowIn the air to London
13:20

estimated arrival at LHR · local time · ~12h 54m from now

LivePosition · updated 4m ago
LAX5,437 mi · ~12h 54m leftLHR
15,400 ftAltitudeclimbing
423 mphSpeed368 kt
56°Direction

Live position · flown path, last 8 min

⚖ UA923 typically leaves +27 and lands −11. The air wins minutes back.
Typical gate push+27 minmedian posted departure
Typical arrival−11 minmedian over 15 operations
Wins back in air~38 minmedian gate push vs arrival · how planes make up time → Cancellation0 in 15tracked operations · cancellation odds calculator →

Where the minutes go

last 7 operations · gate push → arrival
0+30+60+90 min
10-20
+8 arrival
10-19
+31 gate · −11 arrival
10-18
+42 gate · −14 arrival
10-17
+34 gate · −7 arrival
10-16
+53 gate · +33 arrival
10-15
+17 gate · +0 arrival
10-14
+0 gate · −29 arrival

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

The last 30 days

arrival outcome per operation

median arrival −11 min · 0 cancelled · 15 operations tracked

The route today

live boards
LAXLos AngelesOn-time likelyLAX delay board →
LHRLondonOn-time likelyLHR delay board →
LAX→LHRevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Delay & cancellation outlook for this flight

Measured, 90-day sample
34%Chance of 15+ min delay
2.5%Chance of cancellation
+6 minAvg hub delay right now

Conditions at LAX 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.

How UA923 actually runs

Pro Flight Search has tracked every published board update for UA923 across the LAX and LHR boards: schedule changes, gate pushes and actual clocks. Usually lands ~7 min early. Based on 14 confirmed landings · 13/14 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 UA923 operates rather than what the timetable promises. Numbers refresh as new flights operate.

Technical record

How this operation is measured

board clocksaircraft

Board log

scheduled → actual, per operation
10-20LAX 15:40LHR 10:10 10:18 (+8)
10-19LAX 15:40 16:11 (+31)LHR 10:10 09:59 (−11)
10-18LAX 15:40 16:22 (+42)LHR 10:10 09:56 (−14)
10-17LAX 15:40 16:14 (+34)LHR 10:10 10:03 (−7)
10-16LAX 15:40 16:33 (+53)LHR 10:10 10:43 (+33)
10-15LAX 15:40 15:57 (+17)LHR 10:10 (+0)
10-14LAX 15:53 (+0)LHR 10:10 09:41 (−29)
10-13LAX 15:40 16:00 (+20)LHR 10:10 09:58 (−12)
10-12LAX 15:40 16:05 (+25)LHR 10:10 10:18 (+8)
10-11LAX 15:40 16:21 (+41)LHR 10:10 09:59 (−11)
10-10LAX 15:40 16:10 (+30)LHR 10:10 09:53 (−17)
10-09LAX 15:40 16:00 (+20)LHR 10:10 09:43 (−27)
10-08LAX 15:40 16:07 (+27)LHR 10:10 10:06 (−4)
10-07LAX 15:40 16:06 (+26)LHR 10:10 10:22 (+12)
10-06LAX 15:40 (+0)LHR 10:10 09:44 (−26)

Aircraft

Recent tails: N29991, N26996, N17963, N24974.

Board clocks recorded as LAX and LHR published them.

Planning around UA923? 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 — UA923 Los Angeles to London on-time performance, measured from the LAX and LHR airport boards.

Canonical URL
https://proflightsearch.com/flight/UA923
How we measure this →