UA1011United Airlines · IAD → CPT
live · 8m ago
Route confirmed United Airlines

UA1011 WashingtonIAD · 18:45 Cape TownCPT · 15:20

UA1011 by United Airlines flies from Washington (IAD) to Cape Town (CPT) for the Sat, Sep 19 departure.

Right nowEn route to Cape Town · off blocks 19:04 · 19 min late
En route

en route from IAD to CPT

En routeUA1011 · position estimated
IADWashingtonCPTCape Town
Estimated from the boards

Board estimate · gate and arrival times. Off blocks 19:04 · typical taxi-out at IAD ≈ 8.9 min. No receiver coverage over open ocean.

Typical gate push+19 minmedian posted departure
Typical arrival−17 minmedian over 7 operations
Wins back in air~36 minmedian gate push vs arrival · how planes make up time →

Where the minutes go

last 7 operations · gate push → arrival
0+41+82+123 min
09-20
+19 gate
09-19
+19 gate · −24 arrival
09-17
+121 gate · +123 arrival
09-14
+23 gate · −13 arrival
09-12
+10 gate · −32 arrival
09-10
+14 gate · −17 arrival
09-07
+15 gate · −32 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 −17 min · 0 cancelled · 8 operations tracked

The route today

live boards
IADWashingtonModerate riskIAD delay board →
CPTCape TownOn-time likelyCPT delay board →
IAD→CPTevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Delay & cancellation outlook for this flight

Measured, 90-day sample
39%Chance of 15+ min delay
2.2%Chance of cancellation
+8 minAvg hub delay right now

Conditions at IAD and CPT 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 UA1011 actually runs

Pro Flight Search has tracked every published board update for UA1011 across the IAD and CPT boards: schedule changes, gate pushes and actual clocks. Usually lands ~13 min early. Based on 6 confirmed landings · 5/6 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 UA1011 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
09-20IAD 18:45 19:04 (+19)CPT
09-19IAD 18:45 19:04 (+19)CPT 15:20 14:56 (−24)
09-17IAD 18:45 20:46 (+121)CPT 15:20 17:23 (+123)
09-14IAD 18:45 19:08 (+23)CPT 15:20 15:07 (−13)
09-12IAD 18:45 18:55 (+10)CPT 15:20 14:48 (−32)
09-10IAD 18:45 18:59 (+14)CPT 15:20 15:03 (−17)
09-07IAD 18:25 18:40 (+15)CPT 15:20 14:48 (−32)
09-06IAD CPT 23:00 22:57 (−3)

Aircraft

Recent tails: N26996, N13954, N22995.

Board clocks recorded as IAD and CPT 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 — UA1011 Washington to Cape Town on-time performance, measured from the IAD and CPT airport boards.

Canonical URL
https://proflightsearch.com/flight/UA1011
How we measure this →