UA918United Airlines · IAD → LHR
updated 25m ago
Route confirmed United Airlines

UA918 WashingtonIAD · 19:20 LondonLHR · 06:40

UA918 by United Airlines flies from Washington (IAD) to London (LHR) for the Sun, Nov 1 departure.

Right nowLanded in London · today
06:24

arrived at LHR · 16 min early

⚖ UA918 typically leaves +24 and lands −14. The air wins minutes back.
Typical gate push+24 minmedian posted departure
Typical arrival−14 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
11-01
+13 gate · −16 arrival
10-31
+35 gate · −16 arrival
10-30
+45 gate · −11 arrival
10-29
+13 gate · −18 arrival
10-28
+26 gate · −15 arrival
10-27
+21 gate · −10 arrival
10-26
+48 gate · +2 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 −14 min · 0 cancelled · 15 operations tracked

The route today

live boards
IADWashingtonOn-time likelyIAD delay board →
LHRLondonOn-time likelyLHR delay board →
IAD→LHRevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Weather-conditioned outlook for this flight right now

Measured, 90-day sample
44%Chance of 15+ min delay
6.8%Chance of cancellation
+19 minTypical airport delay in this weather

Driven mainly by LHR (London), currently flying LIFR (low instrument). These figures come from both airports' records 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 →

Tomorrow on this route

Forecast

Washington to London with United Airlines · Mon 2 Nov, local date

Outlook: below usual
Chance a departure is cancelled
0.5%0.4× usual
Chance a departure leaves 60+ min late
10%0.6× usual

Forecast: GateWeather · incl. data from ECMWF (CC BY 4.0, modified) · About 2 departures a day on this route with this airline. · Expected values for tomorrow from a forecast model, kept apart from today's measured figures.

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 Washington to London flights today

same route · United Airlines
UA924departs 22:05

If UA918 is cancelled, this is the other United Airlines nonstop flight from Washington to London on the same day, with scheduled departure times in IAD local time. Most flights that show a delay still operate. Rebooking usually helps only when that delay is very large. Every airline on this route →

How UA918 actually runs

Pro Flight Search has tracked every published board update for UA918 across the IAD and LHR boards: schedule changes, gate pushes and actual clocks. Usually lands ~14 min early. Based on 14 confirmed landings · 14/14 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 UA918 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
11-01IAD 19:20 19:33 (+13)LHR 06:40 06:24 (−16)
10-31IAD 19:20 19:55 (+35)LHR 06:40 06:24 (−16)
10-30IAD 19:20 20:05 (+45)LHR 06:40 06:29 (−11)
10-29IAD 19:20 19:33 (+13)LHR 06:40 06:22 (−18)
10-28IAD 19:20 19:46 (+26)LHR 06:40 06:25 (−15)
10-27IAD 19:20 19:41 (+21)LHR 06:40 06:30 (−10)
10-26IAD 19:20 20:08 (+48)LHR 06:40 06:42 (+2)
10-25IAD 19:20 19:33 (+13)LHR 06:40 06:26 (−14)
10-24IAD 19:20 19:42 (+22)LHR 06:40 06:22 (−18)
10-23IAD 18:35 18:46 (+11)LHR 06:55 06:28 (−27)
10-22IAD 18:35 18:59 (+24)LHR 06:55 06:17 (−38)
10-21IAD 18:35 19:09 (+34)LHR 06:55 06:44 (−11)
10-20IAD 18:35 18:56 (+21)LHR 06:55 06:44 (−11)
10-19IAD 18:35 19:12 (+37)LHR 06:55 06:52 (−3)
10-18IAD 18:35 18:59 (+24)LHR 06:55 06:42 (−13)

Aircraft

Recent tails: N76021, N69020, N77012, N27015.

Board clocks recorded as IAD and LHR published them.

Planning around UA918? 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: UA918 Washington to London on-time performance, measured from the IAD and LHR airport boards.

Canonical URL
https://proflightsearch.com/flight/UA918
How we measure this →