UA251United Airlines · IAD → MSY
live · 50m ago
Route confirmed United Airlines

UA251 WashingtonIAD · 18:00 New OrleansMSY · 19:48

UA251 by United Airlines flies from Washington (IAD) to New Orleans (MSY).

Right nowNext departure today Operates daily
18:00

scheduled from IAD

⚖ UA251 typically leaves +19 and lands −19. The air wins minutes back.

Where the minutes go

last 7 operations · gate push → arrival
0+30+60+90 min
09-13
+16 gate · −23 arrival
09-12
+31 gate · −5 arrival
09-11
+12 gate · −21 arrival
09-10
+2 gate · −34 arrival
09-09
+44 gate · +0 arrival
09-08
+7 gate · −39 arrival
09-07
+16 gate · −25 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 −19 min · 0 cancelled · 15 operations tracked

The route today

live boards
IADWashingtonModerate riskIAD delay board →
MSYNew OrleansOn-time likelyMSY delay board →
IAD→MSYevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Weather-conditioned outlook for this flight right now

Measured, 90-day sample
39%Chance of 15+ min delay
2.3%Chance of cancellation
+8 minAvg hub delay right now

Driven mainly by MSY (New Orleans), currently flying VFR (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 →

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 New Orleans flights today

same route · United Airlines
UA4061departs 08:40
UA2253departs 08:45
UA6249departs 08:45

If UA251 is cancelled, these are the other United Airlines nonstop flights from Washington to New Orleans 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 UA251 actually runs

Pro Flight Search has tracked every published board update for UA251 across the IAD and MSY boards: schedule changes, gate pushes and actual clocks. Usually lands ~18 min early. Based on 14 confirmed landings · 12/14 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 UA251 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
09-13IAD 18:00 18:16 (+16)MSY 19:48 19:25 (−23)
09-12IAD 18:00 18:31 (+31)MSY 19:48 19:43 (−5)
09-11IAD 18:20 18:32 (+12)MSY 20:08 19:47 (−21)
09-10IAD 18:20 18:22 (+2)MSY 20:08 19:34 (−34)
09-09IAD 18:20 19:04 (+44)MSY 20:08 (+0)
09-08IAD 18:20 18:27 (+7)MSY 20:08 19:29 (−39)
09-07IAD 18:00 18:16 (+16)MSY 19:48 19:23 (−25)
09-06IAD 18:00 18:16 (+16)MSY 19:48 19:25 (−23)
09-05IAD 18:50 19:09 (+19)MSY 20:34 20:15 (−19)
09-04IAD 18:00 20:24 (+144)MSY 19:48 21:34 (+106)
09-03IAD 18:00 18:58 (+58)MSY 19:48 20:02 (+14)
09-02IAD 18:00 18:50 (+50)MSY 19:48 19:53 (+5)
09-01IAD 18:00 18:11 (+11)MSY 19:48 19:16 (−32)
08-31IAD 18:00 19:36 (+96)MSY 19:48 20:37 (+49)
08-30IAD 18:00 18:21 (+21)MSY

Aircraft

Recent tails: N872UA, N466UA, N837UA, N804UA.

Board clocks recorded as IAD and MSY 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 — UA251 Washington to New Orleans on-time performance, measured from the IAD and MSY airport boards.

Canonical URL
https://proflightsearch.com/flight/UA251
How we measure this →