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United Airlines

Is UA3459 delayed?

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

Arrived

21 min early

Updated

Departure

Dulles

IAD

Actual

Scheduled 22:10

Aug 28

Arrival

Portland

PWM

Actual

Scheduled 03:59

Aug 29

Times shown in airport local time

Flight details

Departure · UTC

Scheduled
Estimated
Actual

Arrival · UTC

Scheduled
Estimated
Actual

Recent arrivals

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

  • SDF → ORD

    29 min early

  • SDF → ORD

    79 min late

  • IAD → PWM

    17 min early

  • IAD → PWM

    28 min early

  • SDF → ORD

    38 min early
Flight history and details

Aug 19, 2026 — Sep 18, 2026

Observed arrivals
14
Arrivals over 15 minutes late
4
Observed cancellations
0
Observed occurrences
24

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

UA3459 Recent arrival history
Service dateDepartureArrivalActualArrival delay (minutes)
Sep 16, 2026ArrivedLouisvilleChicago
-29
Sep 15, 2026ArrivedLouisvilleChicago
79
Sep 14, 2026ArrivedDullesPortland
-17
Sep 13, 2026ArrivedDullesPortland
-28
Sep 9, 2026ArrivedLouisvilleChicago
-38
Sep 7, 2026ArrivedDullesPortland
-19
Sep 6, 2026ArrivedDullesPortland
-28
Sep 5, 2026ArrivedBostonNewark
7
Sep 4, 2026ArrivedDullesPortland
65
Aug 29, 2026ArrivedBostonNewark
-57
Aug 28, 2026ArrivedDullesPortland
-21
Aug 27, 2026ArrivedDullesPortland
82
Aug 22, 2026ArrivedBostonNewark
9
Aug 21, 2026ArrivedDullesPortland
37

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