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4 Feb
UA2121
LANDED 9d AGO
00:51
Denver, CO (DEN)
03:46
Grand Rapids, MI (GRR)
02h16m
N17405 (B39M)
1630 km
Departed
00:51
1 week ago
Arrived
03:46
1 week ago
UA2121
UAL2121
LANDED 9d AGO
Wednesday, February 4 2026
17:51 MST
Scheduled 18:00
Wednesday, February 4 2026
22:46 EST
ON-TIME
Scheduled 22:37
Flight info
Airline/Operator
Duration
02h16m
Distance
1630 km
Operation Days
Sun
Mon
Tue
Wed
Thu
Fri
Sat
Departure Gate
B41
Arrival Gate
A3
Departure Taxi Time
34m
Arrival Taxi Time
5m
ATC Route
KDEN.EEONS8.WYNDM..OBH..ALO..VIO..KGRR/0342
Position Info
Latitude
-
Longitude
-
Altitude
-
Ground Speed
Wind
Air Temperature
Vertical Speed
Heading
-
Squawk
-
Source
-
Station
-
FIR
Aircraft Info
Aircraft Model
Registration
Mode-S
Serial Number
67647/9165
Aircraft Age
Owner
Last Activity
8 hours ago
Last Known Location
Newark, NJ, United States
Last Flight
Aircraft Type
Nr. Engines
Nr. Seats
Weight Class
Cruising Speed
Engine
Engine Type
Aircraft Category
Registrant Type
Airworthiness Class
Operation Types
Certificate Issue Date
Registration Status
Flight Activity
  • Future
  • 16 Feb
    UA2121
    SCHEDULED IN 2d
    00:41
    Denver, CO (DEN)
    03:15
    Grand Rapids, MI (GRR)
    02h34m
    B738
    1630 km
  • 15 Feb
    UA2121
    EST. DEPART IN 1d
    00:41
    Denver, CO (DEN)
    03:15
    Grand Rapids, MI (GRR)
    02h34m
    N37263 (B738)
    1630 km
    Estimated
    00:41
    In 2 days
    Estimated
    03:15
    In 2 days
  • 14 Feb
    UA2121
    EST. DEPART IN 14h 24m
    00:41
    Denver, CO (DEN)
    03:15
    Grand Rapids, MI (GRR)
    02h34m
    N36272 (B738)
    1630 km
    Estimated
    00:41
    In 14 hours
    Estimated
    03:15
    In 17 hours
  • Past
  • 13 Feb
    UA2121
    LANDED 7h 13m AGO
    00:36
    Denver, CO (DEN)
    03:03
    Grand Rapids, MI (GRR)
    02h04m
    N76519 (B738)
    1630 km
    Departed
    00:36
    10 hours ago
    Arrived
    03:03
    7 hours ago
  • 12 Feb
    UA2121
    LANDED 1d AGO
    01:23
    Denver, CO (DEN)
    03:47
    Grand Rapids, MI (GRR)
    01h57m
    N37298 (B738)
    1630 km
    Departed
    01:23
    1 day ago
    Arrived
    03:47
    1 day ago
  • 11 Feb
    UA2121
    LANDED 2d AGO
    01:08
    Denver, CO (DEN)
    03:45
    Grand Rapids, MI (GRR)
    01h57m
    N77258 (B738)
    1630 km
    Departed
    01:08
    2 days ago
    Arrived
    03:45
    2 days ago
  • 10 Feb
    UA2121
    LANDED 3d AGO
    00:58
    Denver, CO (DEN)
    03:44
    Grand Rapids, MI (GRR)
    01h47m
    N33266 (B738)
    1630 km
    Departed
    00:58
    3 days ago
    Arrived
    03:44
    3 days ago
  • 9 Feb
    UA2121
    LANDED 4d AGO
    00:54
    Denver, CO (DEN)
    03:30
    Grand Rapids, MI (GRR)
    01h54m
    N77530 (B738)
    1630 km
    Departed
    00:54
    4 days ago
    Arrived
    03:30
    4 days ago
  • 8 Feb
    UA2121
    LANDED 5d AGO
    01:09
    Denver, CO (DEN)
    03:49
    Grand Rapids, MI (GRR)
    02h03m
    N73278 (B738)
    1630 km
    Departed
    01:09
    5 days ago
    Arrived
    03:49
    5 days ago
  • 7 Feb
    UA2121
    LANDED 6d AGO
    01:24
    Denver, CO (DEN)
    03:43
    Grand Rapids, MI (GRR)
    01h57m
    N37255 (B738)
    1630 km
    Departed
    01:24
    6 days ago
    Arrived
    03:43
    6 days ago
  • 4 Feb
    UA2121
    LANDED 9d AGO
    00:51
    Denver, CO (DEN)
    03:46
    Grand Rapids, MI (GRR)
    02h16m
    N17405 (B39M)
    1630 km
    Departed
    00:51
    1 week ago
    Arrived
    03:46
    1 week ago
DateOriginSTDATDDestinationSTAAircraftDelayStatusDurationReplay
Future
2026 Feb 16Denver, CO (DEN/KDEN)
17:41 MST
Grand Rapids, MI (GRR/KGRR)
22:15 EST
B738
Scheduled
02h34m
2026 Feb 15Denver, CO (DEN/KDEN)
17:41 MST
Grand Rapids, MI (GRR/KGRR)
22:15 EST
B738 (N37263)
Estimated
02h34m
2026 Feb 14Denver, CO (DEN/KDEN)
17:41 MST
Grand Rapids, MI (GRR/KGRR)
22:15 EST
B738 (N36272)
Estimated
02h34m
Past
2026 Feb 13Denver, CO (DEN/KDEN)
17:41 MST
17:36 MST
Grand Rapids, MI (GRR/KGRR)
22:15 EST
B738 (N76519)
Landed 22:03 EST
Time aircraft arrives at gate derived from company/airport information
02h04m
2026 Feb 12Denver, CO (DEN/KDEN)
17:41 MST
18:23 MST
Grand Rapids, MI (GRR/KGRR)
22:15 EST
B738 (N37298)
Landed 22:47 EST
Time aircraft arrives at gate derived from company/airport information
01h57m
2026 Feb 11Denver, CO (DEN/KDEN)
18:08 MST
18:08 MST
Grand Rapids, MI (GRR/KGRR)
22:45 EST
B738 (N77258)
Landed 22:45 EST
Time aircraft arrives at gate derived from company/airport information
01h57m
2026 Feb 10Denver, CO (DEN/KDEN)
18:00 MST
17:58 MST
Grand Rapids, MI (GRR/KGRR)
22:37 EST
B738 (N33266)
Landed 22:44 EST
Time aircraft arrives at gate derived from company/airport information
01h47m
2026 Feb 9Denver, CO (DEN/KDEN)
18:00 MST
17:54 MST
Grand Rapids, MI (GRR/KGRR)
22:37 EST
B738 (N77530)
Landed 22:30 EST
Time aircraft arrives at gate derived from company/airport information
01h54m
2026 Feb 8Denver, CO (DEN/KDEN)
18:00 MST
18:09 MST
Grand Rapids, MI (GRR/KGRR)
22:37 EST
B738 (N73278)
Landed 22:49 EST
Time aircraft arrives at gate derived from company/airport information
02h03m
2026 Feb 7Denver, CO (DEN/KDEN)
18:00 MST
18:24 MST
Grand Rapids, MI (GRR/KGRR)
22:37 EST
B738 (N37255)
Landed 22:43 EST
Time aircraft arrives at gate derived from company/airport information
01h57m
2026 Feb 4Denver, CO (DEN/KDEN)
18:00 MST
17:51 MST
Grand Rapids, MI (GRR/KGRR)
22:37 EST
B39M (N17405)
Landed 22:46 EST
Time aircraft arrives at gate derived from company/airport information
02h16m

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