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United Airlines

Is UA1660 delayed?

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

Arrived

19 min early

Official source · Updated

Departure

Seattle

SEA

Actual

Scheduled 17:15

Sep 4

Arrival

Houston

IAH

Actual

Scheduled 23:39

Sep 4

Times shown in airport local time

Flight details

Departure · UTC

Scheduled
Estimated
Not available
Actual

Arrival · UTC

Scheduled
Estimated
Not available
Actual
Route overview: Seattle → HoustonSEAIAH
Route overview

Recent arrivals

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

  • SEA → IAH

    22 min late

  • ORD → SEA

    23 min early

  • ORD → SEA

    23 min late

  • ORD → SEA

    33 min late

  • SEA → IAH

    5 min late
Flight history and details

Aug 23, 2026 — Sep 22, 2026

Observed arrivals
35
Arrivals over 15 minutes late
10
Observed cancellations
0
Observed occurrences
35

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

UA1660 Recent arrival history
Service dateDepartureArrivalActualArrival delay (minutes)
Sep 21, 2026ArrivedSeattleHouston
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22
Sep 21, 2026ArrivedChicagoSeattle
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-23
Sep 20, 2026ArrivedChicagoSeattle
23
Sep 19, 2026ArrivedChicagoSeattle
33
Sep 18, 2026ArrivedSeattleHouston
5
Sep 18, 2026ArrivedChicagoSeattle
-28
Sep 17, 2026ArrivedSeattleHouston
81
Sep 17, 2026ArrivedChicagoSeattle
53
Sep 16, 2026ArrivedChicagoSeattle
29
Sep 15, 2026ArrivedChicagoSeattle
79
Sep 14, 2026ArrivedChicagoSeattle
29
Sep 13, 2026ArrivedSeattleHouston
-28
Sep 12, 2026ArrivedChicagoSeattle
14
Sep 11, 2026ArrivedSeattleHouston
-43
Sep 11, 2026ArrivedChicagoSeattle
-8
Sep 10, 2026ArrivedChicagoSeattle
19
Sep 9, 2026ArrivedSeattleHouston
-4
Sep 8, 2026ArrivedSeattleHouston
-20
Sep 8, 2026ArrivedChicagoSeattle
-13
Sep 7, 2026ArrivedSeattleHouston
-18
Sep 6, 2026ArrivedSeattleHouston
-7
Sep 5, 2026ArrivedSeattleHouston
-12
Sep 4, 2026ArrivedSeattleHouston
-19
Sep 3, 2026ArrivedSeattleHouston
60
Sep 2, 2026ArrivedSeattleHouston
-13
Sep 1, 2026ArrivedSeattleHouston
9
Aug 31, 2026ArrivedSeattleHouston
8
Aug 30, 2026ArrivedSeattleHouston
-27
Aug 29, 2026ArrivedSeattleHouston
-19
Aug 28, 2026ArrivedSeattleHouston
-18
Aug 27, 2026ArrivedSeattleHouston
13
Aug 26, 2026ArrivedSeattleHouston
-18
Aug 25, 2026ArrivedSeattleHouston
-27
Aug 24, 2026ArrivedSeattleHouston
-22
Aug 23, 2026ArrivedSeattleHouston
-17

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