UA4843United Airlines · IAD → ROC
live · just now
Route confirmed United Airlines

UA4843 WashingtonIAD · 12:49 RochesterROC · 14:20

UA4843 by United Airlines flies from Washington (IAD) to Rochester (ROC) for the Fri, Nov 6 departure.

Right nowExpected in Rochester · On Time
14:20

arrival expected at ROC · on schedule

Typical gate push+27 minmedian posted departure
Wins back in air~40 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
11-06
+32 gate
11-05
+32 gate · −4 arrival
11-04
+15 gate · −23 arrival
11-03
+21 gate

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
IADWashingtonOn-time likelyIAD delay board →
ROCRochesterHigh riskROC delay board →
IAD→ROCevery 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
3.9%Chance of cancellation
+3 minTypical airport delay in this weather

Conditions at IAD and ROC are near their clear-air norm right now, so this reflects the route's recent baseline rather than a weather penalty. 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 at Washington

Forecast

Sat 7 Nov, local date

High15°Clikely 13°C to 16°C
Low7°Clikely 5°C to 10°C

Forecast: GateWeather · incl. data from ECMWF (CC BY 4.0, modified) · Expected values for tomorrow from a forecast model, kept apart from today's measured figures.

Tomorrow at Rochester

Forecast

Sat 7 Nov, local date

High11°Clikely 9°C to 12°C
Low4°Clikely 2°C to 6°C
  • 85% chance of rain

Forecast: GateWeather · incl. data from ECMWF (CC BY 4.0, modified) · 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 Rochester flights today

same route · United Airlines
UA4443departs 08:20
UA4877departs 08:26
UA4563departs 12:45
UA4871departs 17:30
UA4455departs 20:47
UA3670departs 22:20

If UA4843 is cancelled, these are the other United Airlines nonstop flights from Washington to Rochester 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 UA4843 actually runs

Pro Flight Search has tracked every published board update for UA4843 across the IAD and ROC boards: schedule changes, gate pushes and actual clocks. Usually lands ~13 min early. Based on 2 confirmed landings · 2/2 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 UA4843 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
11-06IAD 12:49 13:21 (+32)ROC 14:20
11-05IAD 12:49 13:21 (+32)ROC 14:20 14:16 (−4)
11-04IAD 12:49 13:04 (+15)ROC 14:20 13:57 (−23)
11-03IAD 12:49 13:10 (+21)ROC

Aircraft

Recent tails: N14186, N14153, N17169.

Board clocks recorded as IAD and ROC published them.

Planning around UA4843? 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: UA4843 Washington to Rochester on-time performance, measured from the IAD and ROC airport boards.

Canonical URL
https://proflightsearch.com/flight/UA4843
How we measure this →