UA3420United Airlines · DTW → IAD
live · 3h ago
Route confirmed United Airlines

UA3420 DetroitDTW · 10:19 WashingtonIAD · 11:50

UA3420 by United Airlines flies from Detroit (DTW) to Washington (IAD).

Right nowNext departure today Operates daily
17:56

scheduled from DTW

⚖ UA3420 typically leaves +11 and lands −11. The air wins minutes back.
Typical gate push+11 minmedian posted departure
Typical arrival−11 minmedian over 8 operations
Wins back in air~22 minmedian gate push vs arrival · how planes make up time →

Where the minutes go

last 7 operations · gate push → arrival
0+30+60+90 min
10-29
+4 gate · −12 arrival
10-23
+12 gate · −7 arrival
10-22
+4 gate · −12 arrival
10-21
+17 gate · −5 arrival
10-19
+2 gate · −17 arrival
10-18
+11 gate · −11 arrival
10-16
+12 gate · −9 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 −11 min · 0 cancelled · 8 operations tracked

The route today

live boards
DTWDetroitOn-time likelyDTW delay board →
IADWashingtonOn-time likelyIAD delay board →
DTW→IADevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Weather-conditioned outlook for this flight right now

Measured, 90-day sample
26%Chance of 15+ min delay
3.0%Chance of cancellation
+5 minAvg hub delay right now

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

Tomorrow on this route

Forecast

Detroit to Washington with United Airlines · Fri 30 Oct, local date

Outlook: about usual
Chance a departure leaves 60+ min late
4.8%1.2× usual

Forecast weather: 33% chance of fog at Washington

No cancellation outlook here: this airport's board does not publish cancellations reliably.

Forecast: WeatherTomorrow · incl. data from ECMWF (CC BY 4.0, modified) · About 4 departures a day on this route with this airline. · 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 Detroit to Washington flights today

same route · United Airlines
UA657departs 05:45
UA1796departs 06:00
UA6201departs 06:00
UA3436departs 10:13
UA4165departs 14:08
UA6190departs 14:45

If UA3420 is cancelled, these are the other United Airlines nonstop flights from Detroit to Washington on the same day, with scheduled departure times in DTW local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →

How UA3420 actually runs

Pro Flight Search has tracked every published board update for UA3420 across the DTW and IAD boards: schedule changes, gate pushes and actual clocks. Usually lands on time. Based on 8 confirmed landings · 8/8 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 UA3420 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
10-29DTW 10:19 10:23 (+4)IAD 11:50 11:38 (−12)
10-23DTW 10:19 10:31 (+12)IAD 11:50 11:43 (−7)
10-22DTW 10:19 10:23 (+4)IAD 11:50 11:38 (−12)
10-21DTW 10:19 10:36 (+17)IAD 11:50 11:45 (−5)
10-19DTW 10:19 10:21 (+2)IAD 11:50 11:33 (−17)
10-18DTW 10:19 10:30 (+11)IAD 11:50 11:39 (−11)
10-16DTW 10:19 10:31 (+12)IAD 11:50 11:41 (−9)
10-15DTW 10:19 10:27 (+8)IAD 11:50 11:34 (−16)

Aircraft

Recent tails: N771YX, N774YX, N723YX, N785YX.

Board clocks recorded as DTW and IAD published them.

Planning around UA3420? 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 — UA3420 Detroit to Washington on-time performance, measured from the DTW and IAD airport boards.

Canonical URL
https://proflightsearch.com/flight/UA3420
How we measure this →