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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)

Estimated arrivalLast reported

On time

This update may be out of date. Check with your airline.

Update time unavailable

Departure

Dulles

IAD

Scheduled

Sep 16

Arrival

Newark

EWR

Estimated

Sep 16

Times shown in airport local time

Flight details

Departure · UTC

Scheduled
Estimated
Not available
Actual
Not available

Arrival · UTC

Scheduled
Estimated
Actual
Not available
View this flight’s market

Market prices express trading expectations about a contract’s stated threshold. They do not confirm airline status. The linked market shows its terms and activity.

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

Arrived

4 min late

Official source · Updated

Departure

Atlanta

ATL

Actual

Scheduled 14:49

Sep 16

Arrival

Dulles

IAD

Actual

Scheduled 16:19

Sep 16

Times shown in airport local time

Flight details

Departure · UTC

Scheduled
Estimated
Not available
Actual

Arrival · UTC

Scheduled
Estimated
Not available
Actual
View this flight’s market

Market prices express trading expectations about a contract’s stated threshold. They do not confirm airline status. The linked market shows its terms and activity.

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

    4 min late

  • IAD → EWR

    3 min late

  • ATL → IAD

    68 min late

  • IAD → EWR

    27 min late

  • ATL → IAD

    3 min early
Flight history and details

Aug 17, 2026 — Sep 16, 2026

Observed arrivals
46
Arrivals over 15 minutes late
14
Observed cancellations
0
Observed occurrences
50

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 16, 2026ArrivedAtlantaDulles
View this flight’s market
4
Sep 15, 2026ArrivedDullesNewark
View this flight’s market
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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