Is UA2121 delayed?
Service date: · Scheduled departure date (America/Denver)
Arrived
12 min early
Official source · Updated
Departure
Denver
DEN
Actual
Scheduled 18:22
Sep 7
Arrival
Grand Rapids
GRR
Actual
Scheduled 02:40
Sep 8
Times shown in airport local time
Flight details
Departure · UTC
- Scheduled
- Estimated
- Not available
- Actual
Arrival · UTC
- Scheduled
- Estimated
- Not available
- Actual
DENGRR
Recent arrivals
Dates below are arrival dates in the destination airport’s time zone. The detailed history uses service dates.
- 84 min late
DEN → GRR
- 11 min late
DEN → GRR
- 16 min early
DEN → GRR
- 17 min early
DEN → GRR
- 5 min early
DEN → GRR
Flight history and details
Aug 19, 2026 — Sep 18, 2026
- Observed arrivals
- 14
- Arrivals over 15 minutes late
- 2
- Observed cancellations
- 0
- Observed occurrences
- 26
Results compare scheduled and actual arrival times. Cancelled or diverted flights are excluded. Some flights may be missing from the history.
| Service date | Departure | Arrival | Actual | Arrival delay (minutes) |
|---|---|---|---|---|
| Sep 17, 2026Arrived | Denver | Grand Rapids | 84 | |
| Sep 16, 2026Arrived | Denver | Grand Rapids | 11 | |
| Sep 15, 2026Arrived | Denver | Grand Rapids | -16 | |
| Sep 14, 2026Arrived | Denver | Grand Rapids | -17 | |
| Sep 10, 2026Arrived | Denver | Grand Rapids | -5 | |
| Sep 9, 2026Arrived | Denver | Grand Rapids | -18 | |
| Sep 8, 2026Arrived | Denver | Grand Rapids | -5 | |
| Sep 7, 2026Arrived | Denver | Grand Rapids | -12 | |
| Sep 6, 2026Arrived | Denver | Grand Rapids | 3 | |
| Sep 5, 2026Arrived | Denver | Grand Rapids | 4 | |
| Sep 4, 2026Arrived | Denver | Grand Rapids | -18 | |
| Sep 3, 2026Arrived | Denver | Grand Rapids | 39 | |
| Sep 1, 2026Arrived | Denver | Grand Rapids | -15 | |
| Aug 31, 2026Arrived | Denver | Grand Rapids | -14 |