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United Airlines

Is UA663 delayed?

No delay reported yet. UA663 is scheduled to leave St Louis at 16:51 on Nov 14 and reach Denver at 18:02 (as of Nov 14, 15:31 UTC).

Usually on time: arrived within 15 min of schedule on 45 of the last 48 flights.

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

No live update yet

Showing the published schedule until live times come in.

Update time unavailable

Departure

St Louis

STL

Scheduled

Nov 14

Arrival

Denver

DEN

Scheduled

Nov 14

Times shown in airport local time

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

Flight details

Departure · UTC

Scheduled
Estimated
Not available
Actual
Not available

Arrival · UTC

Scheduled
Estimated
Not available
Actual
Not available

No live update yet

Showing the published schedule until live times come in.

Update time unavailable

Departure

Denver

DEN

Scheduled

Nov 14

Arrival

Medford

MFR

Scheduled

Nov 14

Times shown in airport local time

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

Flight details

Departure · UTC

Scheduled
Estimated
Not available
Actual
Not available

Arrival · UTC

Scheduled
Estimated
Not available
Actual
Not available

Recent arrivals

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

  • Denver → Medford

    38 min early
  • St Louis → Denver

    20 min early
  • Denver → Medford

    4 min early
  • St Louis → Denver

    18 min early
  • Denver → Medford

    20 min early

Is UA663 usually late?

Period: Oct 15, 2026 – Nov 14, 2026

Arrivals tracked
48
On time
94%
of 48 arrivals
Late
6%
of 48 arrivals
Cancelled
4%
of 50 flights
Median arrival delay
12 min early
9 in 10 arrived within
9 min

On time means arriving no more than 15 minutes after the scheduled time; late means more than 15 minutes after. Cancelled and diverted flights are counted apart from arrivals. Compares scheduled and actual arrival times. Cancelled and diverted flights are left out. Some flights may be missing.

How flight status works

At the airports today

Denver (DEN) departures

Left more than 15 min late
27 of 62
Cancelled today
47

Other flights DEN → KMFR

Return flights KMFR → DEN

All United Airlines flights

Flight history and details
UA663 Recent arrival history
Service dateDepartureArrivalActualArrival delay (minutes)
Nov 13, 2026CancelledDenverMedfordNot availableNot available
Nov 13, 2026CancelledSt LouisDenverNot availableNot available
Nov 12, 2026ArrivedDenverMedford-38
Nov 12, 2026ArrivedSt LouisDenver-20
Nov 11, 2026ArrivedDenverMedford-4
Nov 11, 2026ArrivedSt LouisDenver-18
Nov 10, 2026ArrivedDenverMedford-20
Nov 10, 2026ArrivedSt LouisDenver-11
Nov 9, 2026ArrivedDenverMedford-13
Nov 9, 2026ArrivedSt LouisDenver-2
Nov 8, 2026ArrivedDenverMedford38
Nov 8, 2026ArrivedSt LouisDenver-15
Nov 7, 2026ArrivedDenverMedford-28
Nov 7, 2026ArrivedSt LouisDenver-22
Nov 6, 2026ArrivedDenverMedford-24
Nov 6, 2026ArrivedSt LouisDenver-1
Nov 5, 2026ArrivedDenverMedford-33
Nov 5, 2026ArrivedSt LouisDenver34
Nov 4, 2026ArrivedDenverMedford-36
Nov 4, 2026ArrivedSt LouisDenver-17
Nov 3, 2026ArrivedDenverMedford-24
Nov 3, 2026ArrivedSt LouisDenver-1
Nov 2, 2026ArrivedDenverMedford-6
Nov 2, 2026ArrivedSt LouisDenver-9
Nov 1, 2026ArrivedDenverMedford-27
Nov 1, 2026ArrivedSt LouisDenver78
Oct 31, 2026ArrivedDenverMedford-32
Oct 31, 2026ArrivedSt LouisDenver0
Oct 30, 2026ArrivedDenverMedford-42
Oct 30, 2026ArrivedSt LouisDenver-1
Oct 29, 2026ArrivedDenverMedford-33
Oct 29, 2026ArrivedSt LouisDenver-4
Oct 28, 2026ArrivedDenverMedford-9
Oct 28, 2026ArrivedSt LouisDenver-8
Oct 27, 2026ArrivedDenverMedford-15
Oct 27, 2026ArrivedSt LouisDenver9
Oct 26, 2026ArrivedDenverMedford0
Oct 26, 2026ArrivedSt LouisDenver4
Oct 25, 2026ArrivedDenverMedford-33
Oct 25, 2026ArrivedSt LouisDenver-23
Oct 24, 2026ArrivedDenverMedford-2
Oct 23, 2026ArrivedDenverMedford9
Oct 22, 2026ArrivedDenverMedford-24
Oct 21, 2026ArrivedDenverMedford9
Oct 20, 2026ArrivedDenverMedford-26
Oct 19, 2026ArrivedDenverMedford-25
Oct 18, 2026ArrivedDenverMedford-6
Oct 17, 2026ArrivedDenverMedford-20
Oct 16, 2026ArrivedDenverMedford-4
Oct 15, 2026ArrivedDenverMedford-6
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