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United Airlines

Is UA4643 delayed?

Service date: · Scheduled departure date (UTC)

Arrived

28 min early

Official source · Updated

Departure

Billings

BIL

Scheduled

Sep 15

Arrival

Denver

DEN

Actual

Scheduled 19:39

Sep 14

Times shown in airport local time

Flight details

Departure · UTC

Scheduled
Estimated
Not available
Actual
Not available

Arrival · UTC

Scheduled
Estimated
Not available
Actual

Recent arrivals

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

  • BIL → DEN

    <1 min late

  • BIL → DEN

    16 min late

  • BIL → DEN

    14 min early

  • BIL → DEN

    28 min early

  • BIL → DEN

    1 min late
Flight history and details

Aug 19, 2026 — Sep 18, 2026

Observed arrivals
13
Arrivals over 15 minutes late
2
Observed cancellations
5
Observed occurrences
19

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

UA4643 Recent arrival history
Service dateDepartureArrivalActualArrival delay (minutes)
Sep 18, 2026ArrivedBillingsDenver
View this flight’s market
0
Sep 17, 2026ArrivedBillingsDenver
16
Sep 16, 2026ArrivedBillingsDenver
-14
Sep 15, 2026ArrivedBillingsDenver
-28
Sep 14, 2026ArrivedBillingsDenver
1
Sep 12, 2026ArrivedBillingsDenver
-5
Sep 11, 2026ArrivedBillingsDenver
-19
Sep 10, 2026ArrivedBillingsDenver
-17
Sep 9, 2026ArrivedBillingsDenver
-12
Sep 8, 2026ArrivedBillingsDenver
3
Sep 7, 2026ArrivedBillingsDenver
36
Sep 6, 2026ArrivedBillingsDenver
-19
Sep 5, 2026ArrivedBillingsDenver
9
Aug 26, 2026CancelledLos AngelesNot available
Not available
Aug 25, 2026CancelledLos AngelesNot available
Not available
Aug 24, 2026CancelledLos AngelesNot available
Not available
Aug 21, 2026CancelledLos AngelesNot available
Not available
Aug 20, 2026CancelledLos AngelesNot available
Not available

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