31 Jan
UA2121
LANDED 14d AGO
00:56
Denver, CO (DEN)
04:02
Grand Rapids, MI (GRR)
02h08m
N76523 (B738)
1630 km
Departed
00:56
2 weeks ago
Arrived
04:02
2 weeks ago
UA2121
UAL2121
LANDED 14d AGO
Saturday, January 31 2026
17:56 MST
Scheduled 18:00
Saturday, January 31 2026
23:02 EST
DELAYED
Scheduled 22:37
Flight info
Airline/Operator
Duration
02h08m
Distance
1630 km
Operation Days
Sun
Mon
Tue
Wed
Thu
Fri
Sat
Departure Gate
B36
Arrival Gate
A3
Departure Taxi Time
18m
Arrival Taxi Time
41m
ATC Route
KDEN.EEONS8.WYNDM..OBH..ALO..VIO..KGRR
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
37101/3216
Aircraft Age
Owner
Last Activity
3 minutes ago
Last Known Location
In flight - Near Rockton, Canada
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
  • 17 Feb
    UA2121
    SCHEDULED IN 2d
    00:41
    Denver, CO (DEN)
    03:15
    Grand Rapids, MI (GRR)
    02h34m
    B738
    1630 km
  • 16 Feb
    UA2121
    EST. DEPART IN 1d
    00:41
    Denver, CO (DEN)
    03:15
    Grand Rapids, MI (GRR)
    02h34m
    N78506 (B738)
    1630 km
    Estimated
    00:41
    In 1 day
    Estimated
    03:15
    In 1 day
  • 15 Feb
    UA2121
    EST. DEPART IN 3h 3m
    00:41
    Denver, CO (DEN)
    03:15
    Grand Rapids, MI (GRR)
    02h34m
    N37263 (B738)
    1630 km
    Estimated
    00:41
    In 3 hours
    Estimated
    03:15
    In 6 hours
  • Past
  • 14 Feb
    UA2121
    LANDED 18h 25m AGO
    00:35
    Denver, CO (DEN)
    03:12
    Grand Rapids, MI (GRR)
    01h57m
    N36272 (B738)
    1630 km
    Departed
    00:35
    21 hours ago
    Arrived
    03:12
    18 hours ago
  • 13 Feb
    UA2121
    LANDED 1d AGO
    00:36
    Denver, CO (DEN)
    03:03
    Grand Rapids, MI (GRR)
    02h04m
    N76519 (B738)
    1630 km
    Departed
    00:36
    2 days ago
    Arrived
    03:03
    2 days ago
  • 12 Feb
    UA2121
    LANDED 2d AGO
    01:23
    Denver, CO (DEN)
    03:47
    Grand Rapids, MI (GRR)
    01h57m
    N37298 (B738)
    1630 km
    Departed
    01:23
    3 days ago
    Arrived
    03:47
    3 days ago
  • 11 Feb
    UA2121
    LANDED 3d AGO
    01:08
    Denver, CO (DEN)
    03:45
    Grand Rapids, MI (GRR)
    01h57m
    N77258 (B738)
    1630 km
    Departed
    01:08
    4 days ago
    Arrived
    03:45
    4 days ago
  • 10 Feb
    UA2121
    LANDED 4d AGO
    00:58
    Denver, CO (DEN)
    03:44
    Grand Rapids, MI (GRR)
    01h47m
    N33266 (B738)
    1630 km
    Departed
    00:58
    5 days ago
    Arrived
    03:44
    5 days ago
  • 9 Feb
    UA2121
    LANDED 5d AGO
    00:54
    Denver, CO (DEN)
    03:30
    Grand Rapids, MI (GRR)
    01h54m
    N77530 (B738)
    1630 km
    Departed
    00:54
    6 days ago
    Arrived
    03:30
    6 days ago
  • 8 Feb
    UA2121
    LANDED 6d AGO
    01:09
    Denver, CO (DEN)
    03:49
    Grand Rapids, MI (GRR)
    02h03m
    N73278 (B738)
    1630 km
    Departed
    01:09
    7 days ago
    Arrived
    03:49
    7 days ago
  • 31 Jan
    UA2121
    LANDED 14d AGO
    00:56
    Denver, CO (DEN)
    04:02
    Grand Rapids, MI (GRR)
    02h08m
    N76523 (B738)
    1630 km
    Departed
    00:56
    2 weeks ago
    Arrived
    04:02
    2 weeks ago
DateOriginSTDATDDestinationSTAAircraftDelayStatusDurationReplay
Future
2026 Feb 17Denver, CO (DEN/KDEN)
17:41 MST
Grand Rapids, MI (GRR/KGRR)
22:15 EST
B738
Scheduled
02h34m
2026 Feb 16Denver, CO (DEN/KDEN)
17:41 MST
Grand Rapids, MI (GRR/KGRR)
22:15 EST
B738 (N78506)
Estimated
02h34m
2026 Feb 15Denver, CO (DEN/KDEN)
17:41 MST
Grand Rapids, MI (GRR/KGRR)
22:15 EST
B738 (N37263)
Estimated
02h34m
Past
2026 Feb 14Denver, CO (DEN/KDEN)
17:41 MST
17:35 MST
Grand Rapids, MI (GRR/KGRR)
22:15 EST
B738 (N36272)
Landed 22:12 EST
Time aircraft arrives at gate derived from company/airport information
01h57m
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 Jan 31Denver, CO (DEN/KDEN)
18:00 MST
17:56 MST
Grand Rapids, MI (GRR/KGRR)
22:37 EST
B738 (N76523)
Landed 23:02 EST
Time aircraft arrives at gate derived from company/airport information
02h08m

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