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United Airlines

Is UA1587 delayed?

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

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

Arrived

17 min late

Updated

Departure

Denver

DEN

Actual

Scheduled 17:00

Aug 29

Arrival

Houston

IAH

Actual

Scheduled 20:30

Aug 29

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)

DepartedLast reported

14 min late

This update may be out of date.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

Update time unavailable

Departure

Dulles

IAD

Actual

Scheduled 12:50

Aug 29

Arrival

Denver

DEN

Scheduled

Not available

Times shown in airport local time

Flight details

Departure · UTC

Scheduled
Estimated
Actual

Arrival · UTC

Scheduled
Not available
Estimated
Not available
Actual
Not available
Route overview: Denver → HoustonDENIAH
Route overview
Route overview: Dulles → DenverIADDEN
Route overview

Recent arrivals

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

  • IAD → DEN

    41 min late

  • DEN → IAH

    10 min early

  • IAD → DEN

    10 min early

  • DEN → IAH

    3 min late

  • IAD → DEN

    7 min late
Flight history and details

Aug 19, 2026 — Sep 18, 2026

Observed arrivals
43
Arrivals over 15 minutes late
7
Observed cancellations
0
Observed occurrences
54

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

UA1587 Recent arrival history
Service dateDepartureArrivalActualArrival delay (minutes)
Sep 17, 2026ArrivedDullesDenver
View this flight’s market
41
Sep 16, 2026ArrivedDenverHouston
-10
Sep 16, 2026ArrivedDullesDenver
-10
Sep 15, 2026ArrivedDenverHouston
3
Sep 15, 2026ArrivedDullesDenver
7
Sep 14, 2026ArrivedDenverHouston
4
Sep 14, 2026ArrivedDullesDenver
-18
Sep 13, 2026ArrivedDenverHouston
-10
Sep 12, 2026ArrivedDenverHouston
-18
Sep 11, 2026ArrivedDenverHouston
17
Sep 10, 2026ArrivedDenverHouston
4
Sep 10, 2026ArrivedDullesDenver
6
Sep 9, 2026ArrivedDenverHouston
-9
Sep 9, 2026ArrivedDullesDenver
-10
Sep 8, 2026ArrivedDenverHouston
-6
Sep 8, 2026ArrivedDullesDenver
-1
Sep 7, 2026ArrivedDenverHouston
-3
Sep 7, 2026ArrivedDullesDenver
-18
Sep 6, 2026ArrivedDenverHouston
-10
Sep 6, 2026ArrivedDullesDenver
-1
Sep 5, 2026ArrivedDenverHouston
-8
Sep 5, 2026ArrivedDullesDenver
1
Sep 4, 2026ArrivedDenverHouston
-18
Sep 4, 2026ArrivedDullesDenver
-13
Sep 3, 2026ArrivedDenverHouston
15
Sep 2, 2026ArrivedDenverHouston
-5
Sep 1, 2026ArrivedDenverHouston
-21
Aug 31, 2026ArrivedDenverHouston
15
Aug 31, 2026ArrivedDullesDenver
-7
Aug 30, 2026ArrivedDenverHouston
-13
Aug 30, 2026ArrivedDullesDenver
-31
Aug 29, 2026ArrivedDenverHouston
17
Aug 28, 2026ArrivedDenverHouston
1
Aug 28, 2026ArrivedDullesDenver
-28
Aug 27, 2026ArrivedDenverHouston
58
Aug 27, 2026ArrivedDullesDenver
3
Aug 26, 2026ArrivedDenverHouston
-17
Aug 26, 2026ArrivedDullesDenver
-3
Aug 25, 2026ArrivedDenverHouston
-15
Aug 25, 2026ArrivedDullesDenver
-20
Aug 24, 2026ArrivedDenverHouston
69
Aug 24, 2026ArrivedDullesDenver
-23
Aug 23, 2026ArrivedDullesDenver
-21

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