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United Airlines

Is UA2121 delayed?

No delay reported yet. UA2121 is scheduled to leave Denver at 18:08 on Nov 14 and reach Grand Rapids at 22:21 (as of Nov 14, 16:24 UTC).

Usually on time: arrived within 15 min of schedule on 25 of the last 27 flights.

No live update yet

Showing the published schedule until live times come in.

Update time unavailable

Departure

Denver

DEN

Scheduled

Nov 14

Arrival

Grand Rapids

GRR

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 → Grand Rapids

    3 min early

  • Denver → Grand Rapids

    15 min early

  • Denver → Grand Rapids

    9 min early

  • Denver → Grand Rapids

    6 min early

  • Denver → Grand Rapids

    5 min early

Is UA2121 usually late?

Period: Oct 15, 2026 – Nov 14, 2026

Arrivals tracked
27
On time
93%
of 27 arrivals
Late
7%
of 27 arrivals
Cancelled
3%
of 29 flights
Median arrival delay
4 min early
9 in 10 arrived within
3 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
31 of 77
Cancelled today
54
Flights from Denver to Grand Rapids today

Related flights

All United Airlines flights

Flight history and details
UA2121 Recent arrival history
Service dateDepartureArrivalActualArrival delay (minutes)
Nov 13, 2026CancelledDenverGrand RapidsNot availableNot available
Nov 12, 2026ArrivedDenverGrand Rapids-3
Nov 11, 2026ArrivedDenverGrand Rapids-15
Nov 10, 2026ArrivedDenverGrand Rapids-9
Nov 9, 2026ArrivedDenverGrand Rapids-6
Nov 8, 2026ArrivedDenverGrand Rapids-5
Nov 7, 2026ArrivedDenverGrand Rapids-3
Nov 6, 2026ArrivedDenverGrand Rapids-4
Nov 5, 2026ArrivedDenverGrand Rapids-15
Nov 4, 2026ArrivedDenverGrand Rapids-7
Nov 3, 2026ArrivedDenverGrand Rapids-2
Nov 2, 2026ArrivedDenverGrand Rapids-3
Nov 1, 2026ArrivedDenverGrand Rapids-21
Oct 31, 2026ArrivedDenverGrand Rapids1
Oct 30, 2026ArrivedDenverGrand Rapids-33
Oct 29, 2026ArrivedDenverGrand Rapids-9
Oct 28, 2026ArrivedDenverGrand Rapids-14
Oct 27, 2026ArrivedDenverGrand Rapids-7
Oct 25, 2026ArrivedDenverGrand Rapids-4
Oct 24, 2026ArrivedDenverGrand Rapids-8
Oct 23, 2026ArrivedDenverGrand Rapids0
Oct 22, 2026ArrivedDenverGrand Rapids3
Oct 20, 2026ArrivedDenverGrand Rapids1
Oct 19, 2026ArrivedDenverGrand Rapids-3
Oct 18, 2026ArrivedDenverGrand Rapids-5
Oct 17, 2026ArrivedDenverGrand Rapids17
Oct 16, 2026ArrivedDenverGrand Rapids4
Oct 15, 2026ArrivedDenverGrand Rapids16
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