UA52United Airlines · IAD → ZRH
live · 12m ago
Route confirmed United Airlines

UA52 WashingtonIAD · 18:25 ZurichZRH · 07:40

UA52 by United Airlines flies from Washington (IAD) to Zurich (ZRH) for the Sun, Oct 25 departure.

Right nowLanded in Zurich · today
10:19

arrived at ZRH · 159 min late

⚖ UA52 typically leaves +81 and lands +20. The air wins minutes back.
Typical gate push+81 minmedian posted departure
Typical arrival+20 minmedian over 12 operations
Wins back in air~61 minmedian gate push vs arrival · how planes make up time → Cancellation0 in 12tracked operations · cancellation odds calculator →

Where the minutes go

last 7 operations · gate push → arrival
0+72+144+216 min
10-24
+216 gate · +159 arrival
10-23
+52 gate · −12 arrival
10-22
+204 gate · +138 arrival
10-21
+22 gate · −28 arrival
10-20
+126 gate · +48 arrival
10-19
+81 gate · +49 arrival
10-18
+39 gate · −4 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 +20 min · 0 cancelled · 12 operations tracked

The route today

live boards
IADWashingtonOn-time likelyIAD delay board →
ZRHZurichOn-time likelyZRH delay board →
IAD→ZRHevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Delay & cancellation outlook for this flight

Measured, 90-day sample
42%Chance of 15+ min delay
3.7%Chance of cancellation
+10 minAvg hub delay right now

Conditions at IAD and ZRH 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 UA52 actually runs

Pro Flight Search has tracked every published board update for UA52 across the IAD and ZRH boards: schedule changes, gate pushes and actual clocks. Usually lands ~20 min late. Based on 12 confirmed landings · 6/12 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 UA52 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
10-24IAD 18:25 22:01 (+216)ZRH 07:40 10:19 (+159)
10-23IAD 17:45 18:37 (+52)ZRH 08:05 07:53 (−12)
10-22IAD 17:45 21:09 (+204)ZRH 08:05 10:23 (+138)
10-21IAD 17:45 18:07 (+22)ZRH 08:05 07:37 (−28)
10-20IAD 17:45 19:51 (+126)ZRH 08:05 08:53 (+48)
10-19IAD 17:45 19:06 (+81)ZRH 08:05 08:54 (+49)
10-18IAD 17:45 18:24 (+39)ZRH 08:05 08:01 (−4)
10-17IAD 17:45 18:07 (+22)ZRH 08:05 07:21 (−44)
10-16IAD 17:45 19:59 (+134)ZRH 08:05 09:20 (+75)
10-15IAD 17:17 18:41 (+84)ZRH 08:05 08:25 (+20)
10-14IAD 17:45 18:29 (+44)ZRH 08:05 07:56 (−9)
10-13IAD 17:45 18:07 (+22)ZRH 08:05 07:33 (−32)

Aircraft

Recent tails: N651UA, N644UA, N642UA, N655UA.

Board clocks recorded as IAD and ZRH published them.

Planning around UA52? 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 — UA52 Washington to Zurich on-time performance, measured from the IAD and ZRH airport boards.

Canonical URL
https://proflightsearch.com/flight/UA52
How we measure this →