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United Airlines

Is UA1831 delayed?

Each route and date is shown separately. Confirm that both airports match your booking.

Service date: · Scheduled departure date (America/New_York)

Arrived

3 min late

Updated

Departure

Dulles

IAD

Actual

Scheduled 17:45

Aug 28

Arrival

Newark

EWR

Actual

Scheduled 19:15

Aug 28

Times shown in airport local time

Flight details

Departure · UTC

Scheduled
Estimated
Actual

Arrival · UTC

Scheduled
Estimated
Actual

Service date: · Scheduled departure date (America/New_York)

Arrived

17 min early

Updated

Departure

Atlanta

ATL

Actual

Scheduled 14:33

Aug 28

Arrival

Dulles

IAD

Actual

Scheduled 16:24

Aug 28

Times shown in airport local time

Flight details

Departure · UTC

Scheduled
Estimated
Actual

Arrival · UTC

Scheduled
Estimated
Actual
Route overview: Dulles → NewarkIADEWR
Route overview
Route overview: Atlanta → DullesATLIAD
Route overview

Recent arrivals

Dates below are arrival dates in the destination airport’s time zone. The detailed history uses service dates.

  • ATL → IAD

    7 min early

  • IAD → EWR

    191 min late

  • ATL → IAD

    200 min late

  • IAD → EWR

    92 min late

  • ATL → IAD

    4 min late
Flight history and details

Aug 19, 2026 — Sep 18, 2026

Observed arrivals
50
Arrivals over 15 minutes late
17
Observed cancellations
0
Observed occurrences
55

Results compare scheduled and actual arrival times. Cancelled or diverted flights are excluded. Some flights may be missing from the history.

How flight status works

UA1831 Recent arrival history
Service dateDepartureArrivalActualArrival delay (minutes)
Sep 18, 2026ArrivedAtlantaDulles
View this flight’s market
-7
Sep 17, 2026ArrivedDullesNewark
191
Sep 17, 2026ArrivedAtlantaDulles
200
Sep 16, 2026ArrivedDullesNewark
92
Sep 16, 2026ArrivedAtlantaDulles
4
Sep 15, 2026ArrivedDullesNewark
3
Sep 15, 2026ArrivedAtlantaDulles
68
Sep 14, 2026ArrivedDullesNewark
27
Sep 14, 2026ArrivedAtlantaDulles
-3
Sep 13, 2026ArrivedDullesNewark
231
Sep 13, 2026ArrivedAtlantaDulles
7
Sep 12, 2026ArrivedAtlantaDulles
4
Sep 11, 2026ArrivedDullesNewark
0
Sep 11, 2026ArrivedAtlantaDulles
-17
Sep 10, 2026ArrivedDullesNewark
0
Sep 10, 2026ArrivedAtlantaDulles
-16
Sep 9, 2026ArrivedDullesNewark
36
Sep 9, 2026ArrivedAtlantaDulles
-5
Sep 8, 2026ArrivedDullesNewark
-6
Sep 8, 2026ArrivedAtlantaDulles
-13
Sep 7, 2026ArrivedDullesNewark
-4
Sep 7, 2026ArrivedAtlantaDulles
-15
Sep 6, 2026ArrivedDullesNewark
10
Sep 6, 2026ArrivedAtlantaDulles
-12
Sep 5, 2026ArrivedAtlantaDulles
0
Sep 4, 2026ArrivedDullesNewark
276
Sep 4, 2026ArrivedAtlantaDulles
232
Sep 3, 2026ArrivedDullesNewark
31
Sep 3, 2026ArrivedAtlantaDulles
-22
Sep 2, 2026ArrivedDullesNewark
43
Sep 2, 2026ArrivedAtlantaDulles
149
Sep 1, 2026ArrivedAtlantaDulles
-21
Aug 31, 2026ArrivedDullesNewark
20
Aug 31, 2026ArrivedAtlantaDulles
53
Aug 30, 2026ArrivedDullesNewark
35
Aug 30, 2026ArrivedAtlantaDulles
38
Aug 29, 2026ArrivedAtlantaDulles
-20
Aug 28, 2026ArrivedDullesNewark
3
Aug 28, 2026ArrivedAtlantaDulles
-17
Aug 27, 2026ArrivedAtlantaDulles
-5
Aug 26, 2026ArrivedDullesNewark
-6
Aug 26, 2026ArrivedAtlantaDulles
-17
Aug 25, 2026ArrivedDullesNewark
2
Aug 25, 2026ArrivedAtlantaDulles
-25
Aug 24, 2026ArrivedDullesNewark
66
Aug 24, 2026ArrivedAtlantaDulles
-22
Aug 23, 2026ArrivedDullesNewark
-1
Aug 23, 2026ArrivedAtlantaDulles
-19
Aug 21, 2026ArrivedDullesNewark
-23
Aug 21, 2026ArrivedAtlantaDulles
-19

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