UA4327United Airlines · IAD → DAY
live · 3h ago
Route confirmed United Airlines

UA4327 WashingtonIAD · 08:13 DaytonDAY

UA4327 by United Airlines flies from Washington (IAD) to Dayton (DAY) for the Thu, Aug 20 departure.

Right nowEn route to Dayton · off blocks 08:19 · 6 min late
En route

en route from IAD to DAY

En routeUA4327 · position estimated
IADWashingtonDAYDayton
Estimated from the boards

Board estimate · gate and arrival times. Off blocks 08:19 · typical taxi-out at IAD ≈ 8.9 min.

Where the minutes go

last 7 operations · gate push → arrival
0+34+69+103 min
08-20
+6 gate
08-19
+103 gate
08-18
+7 gate
08-17
+16 gate
08-16
+43 gate
08-15
+8 gate
08-14
+49 gate

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

0 cancelled · 10 operations tracked

The route today

live boards
IADWashingtonModerate riskIAD delay board →
DAYDaytonOn-time likelyDAY delay board →
IAD→DAYevery carrier, schedules and on-time historyRoute intelligence →

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 Dayton flights today

same route · United Airlines
UA4188departs 08:15
UA4241departs 12:40
UA4274departs 17:15
UA4576departs 17:25

If UA4327 is cancelled, these are the other United Airlines nonstop flights from Washington to Dayton on the same day, with scheduled departure times in IAD local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →

How UA4327 actually runs

Pro Flight Search has tracked every published board update for UA4327 across the IAD and DAY boards: schedule changes, gate pushes and actual clocks. Usually departs ~21 min late. Based on 10 confirmed departures · 4/10 within 15 min of schedule.

The verdict above is that record speaking, so it reflects how UA4327 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
08-20IAD 08:13 08:19 (+6)DAY
08-19IAD 08:13 09:56 (+103)DAY
08-18IAD 08:13 08:20 (+7)DAY
08-17IAD 08:13 08:29 (+16)DAY
08-16IAD 08:13 08:56 (+43)DAY
08-15IAD 08:13 08:21 (+8)DAY
08-14IAD 08:13 09:02 (+49)DAY
08-13IAD 08:13 08:27 (+14)DAY
08-12IAD 08:13 08:34 (+21)DAY
08-11IAD 08:13 11:05 (+172)DAY

Aircraft

Recent tails: N14148, N12142, N13202, N16149.

Board clocks recorded as IAD and DAY 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 — UA4327 Washington to Dayton on-time performance, measured from the IAD and DAY airport boards.

Canonical URL
https://proflightsearch.com/flight/UA4327
How we measure this →