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United Airlines

Is UA663 delayed?

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

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Update time unavailable

Departure

Seattle

SEA

Scheduled

Sep 16

Arrival

Denver

DEN

Scheduled

Sep 16

Times shown in airport local time

Flight details

Departure · UTC

Scheduled
Estimated
Not available
Actual
Not available

Arrival · UTC

Scheduled
Estimated
Not available
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.

Route overview: Seattle → DenverSEADEN
Route overview

Recent arrivals

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

  • DEN → MFR

    2 min late

  • DEN → MFR

    20 min late

  • SEA → DEN

    21 min late

  • DEN → MFR

    31 min late

  • DEN → MFR

    4 min early
Flight history and details

Aug 17, 2026 — Sep 16, 2026

Observed arrivals
23
Arrivals over 15 minutes late
5
Observed cancellations
1
Observed occurrences
30

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

UA663 Recent arrival history
Service dateDepartureArrivalActualArrival delay (minutes)
Sep 15, 2026ArrivedDenverMedford
View this flight’s market
2
Sep 14, 2026ArrivedDenverMedford
20
Sep 14, 2026ArrivedSeattleDenver
21
Sep 13, 2026ArrivedDenverMedford
31
Sep 11, 2026ArrivedDenverMedford
-4
Sep 10, 2026ArrivedDenverMedford
-7
Sep 9, 2026ArrivedDenverMedford
-15
Sep 8, 2026ArrivedDenverMedford
5
Sep 7, 2026ArrivedDenverMedford
-6
Sep 7, 2026ArrivedFort MyersDenver
-6
Sep 6, 2026ArrivedDenverMedford
-8
Sep 6, 2026ArrivedFort MyersDenver
-11
Sep 5, 2026ArrivedFort MyersDenver
-49
Sep 4, 2026ArrivedDenverMedford
-10
Sep 4, 2026ArrivedFort MyersDenver
-8
Sep 3, 2026ArrivedDenverMedford
-5
Sep 1, 2026ArrivedDenverMedford
-2
Aug 31, 2026ArrivedDenverMedford
38
Aug 30, 2026ArrivedDenverMedford
5
Aug 28, 2026ArrivedDenverMedford
-3
Aug 27, 2026ArrivedDenverMedford
2
Aug 25, 2026ArrivedDenverMedford
-13
Aug 24, 2026CancelledDenverNot available
Not available
Aug 22, 2026ArrivedDenverMedford
31

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