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United Airlines

Is UA4977 delayed?

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

Arrived

20 min early

Official source · Updated

Departure

Dulles

IAD

Actual

Scheduled 17:59

Sep 9

Arrival

Syracuse

SYR

Actual

Scheduled 22:59

Sep 9

Times shown in airport local time

Flight details

Departure · UTC

Scheduled
Estimated
Not available
Actual

Arrival · UTC

Scheduled
Estimated
Not available
Actual

Recent arrivals

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

  • IAD → SYR

    3 min late

  • IAD → SYR

    18 min late

  • IAD → SYR

    23 min early

  • IAD → SYR

    7 min late

  • IAD → SYR

    7 min early
Flight history and details

Aug 23, 2026 — Sep 22, 2026

Observed arrivals
19
Arrivals over 15 minutes late
3
Observed cancellations
0
Observed occurrences
28

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

UA4977 Recent arrival history
Service dateDepartureArrivalActualArrival delay (minutes)
Sep 21, 2026ArrivedDullesSyracuse
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3
Sep 20, 2026ArrivedDullesSyracuse
18
Sep 19, 2026ArrivedDullesSyracuse
-23
Sep 18, 2026ArrivedDullesSyracuse
7
Sep 17, 2026ArrivedDullesSyracuse
-7
Sep 16, 2026ArrivedDullesSyracuse
135
Sep 15, 2026ArrivedDullesSyracuse
-1
Sep 14, 2026ArrivedDullesSyracuse
-3
Sep 12, 2026ArrivedDullesSyracuse
-14
Sep 10, 2026ArrivedDullesSyracuse
-26
Sep 9, 2026ArrivedDullesSyracuse
-20
Sep 8, 2026ArrivedDullesSyracuse
-22
Sep 7, 2026ArrivedDullesSyracuse
-2
Sep 6, 2026ArrivedDullesSyracuse
-16
Sep 5, 2026ArrivedDullesSyracuse
7
Sep 4, 2026ArrivedDullesSyracuse
93
Sep 1, 2026ArrivedDullesSyracuse
-11
Aug 31, 2026ArrivedDullesSyracuse
-12
Aug 26, 2026ArrivedDullesSyracuse
-32

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