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United Airlines

Is UA4637 delayed?

UA4637 is cancelled on Nov 13.

Usually on time: arrived within 15 min of schedule on 13 of the last 19 flights.

Last reported

Cancelled

This update may be out of date.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

Update time unavailable

Departure

Billings

BIL

Scheduled

Nov 13

Arrival

Denver

DEN

Scheduled

Nov 13

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.

  • Billings → Denver

    22 min early
  • Billings → Denver

    7 min early
  • Billings → Denver

    29 min early
  • Billings → Denver

    19 min early
  • Billings → Denver

    14 min early

Is UA4637 usually late?

Period: Oct 15, 2026 – Nov 14, 2026

Arrivals tracked
19
On time
68%
of 19 arrivals
Late
32%
of 19 arrivals
Cancelled
5%
of 21 flights
Median arrival delay
9 min early
9 in 10 arrived within
69 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
39 of 85
Cancelled today
54

All United Airlines flights

Flight history and details
UA4637 Recent arrival history
Service dateDepartureArrivalActualArrival delay (minutes)
Nov 13, 2026CancelledBillingsDenverNot availableNot available
Nov 12, 2026ArrivedBillingsDenver-22
Nov 9, 2026ArrivedBillingsDenver-7
Nov 8, 2026ArrivedBillingsDenver-29
Nov 6, 2026ArrivedBillingsDenver-19
Nov 5, 2026ArrivedBillingsDenver-14
Nov 1, 2026ArrivedBillingsDenver24
Oct 30, 2026ArrivedBillingsDenver-11
Oct 29, 2026ArrivedBillingsDenver8
Oct 26, 2026ArrivedBillingsDenver-14
Oct 25, 2026ArrivedBillingsDenver8
Oct 23, 2026ArrivedBillingsDenver95
Oct 22, 2026ArrivedBillingsDenver40
Oct 21, 2026ArrivedLos AngelesReno-23
Oct 20, 2026ArrivedLos AngelesReno-17
Oct 19, 2026ArrivedBillingsDenver45
Oct 18, 2026ArrivedBillingsDenver244
Oct 17, 2026ArrivedDenverColorado Springs-15
Oct 16, 2026ArrivedBillingsDenver-10
Oct 15, 2026ArrivedBillingsDenver64
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