UA3998United Airlines · CLT → IAD
live · just now
Route confirmed United Airlines

UA3998 CharlotteCLT · 19:55 WashingtonIAD · 21:25

UA3998 by United Airlines flies from Charlotte (CLT) to Washington (IAD) for the Thu, Nov 5 departure.

Right nowExpected · gate A21
19:55

departs CLT · on schedule

Typical gate push+11 minmedian posted departure

Where the minutes go

last 7 operations · gate push → arrival
0+30+60+90 min
11-04
+11 gate
11-03
+19 gate
11-02
+13 gate
11-01
+11 gate
10-30
+15 gate
10-29
+7 gate
10-28
+3 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 · 9 operations tracked

The route today

live boards
CLTCharlotteOn-time likelyCLT delay board →
IADWashingtonOn-time likelyIAD delay board →
CLT→IADevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Weather-conditioned outlook for this flight right now

Measured, 90-day sample
33%Chance of 15+ min delay
2.5%Chance of cancellation
+5 minTypical airport delay in this weather

Driven mainly by IAD (Washington), currently flying MVFR (marginal visual). 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 Charlotte

Forecast

Fri 6 Nov, local date

High22°Clikely 20°C to 24°C
Low16°Clikely 13°C to 18°C
  • 41% chance of fog
  • 92% 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.

Tomorrow at Washington

Forecast

Fri 6 Nov, local date

High21°Clikely 19°C to 22°C
Low13°Clikely 10°C to 16°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.

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 Charlotte to Washington flights today

same route · United Airlines
UA1999departs 06:00
UA6279departs 06:00
UA3441departs 10:24
UA4174departs 15:05
UA6203departs 15:05
UA1079departs 19:55

If UA3998 is cancelled, these are the other United Airlines nonstop flights from Charlotte to Washington on the same day, with scheduled departure times in CLT 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 UA3998 actually runs

Pro Flight Search has tracked every published board update for UA3998 across the CLT and IAD boards: schedule changes, gate pushes and actual clocks. Usually departs ~11 min late. Based on 9 confirmed departures · 8/9 within 15 min of schedule.

The verdict above is that record speaking, so it reflects how UA3998 operates rather than what the timetable promises. Numbers refresh as new flights operate.

Technical record

How this operation is measured

board clocks

Board log

scheduled → actual, per operation
11-04CLT 19:55 20:06 (+11)IAD 21:25
11-03CLT 19:55 20:14 (+19)IAD 21:25
11-02CLT 19:55 20:08 (+13)IAD 21:25
11-01CLT 19:55 20:06 (+11)IAD 21:25
10-30CLT 19:55 20:10 (+15)IAD 21:25
10-29CLT 19:55 20:02 (+7)IAD 21:25
10-28CLT 19:55 19:58 (+3)IAD 21:25
10-27CLT 19:55 20:02 (+7)IAD 21:25
10-26CLT 19:55 19:59 (+4)IAD 21:25

Board clocks recorded as CLT and IAD 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: UA3998 Charlotte to Washington on-time performance, measured from the CLT and IAD airport boards.

Canonical URL
https://proflightsearch.com/flight/UA3998
How we measure this →