17 Feb
UA331
EST. DEPART IN 1d
16:40
Denver, CO (DEN)
20:35
Boston, MA (BOS)
03h55m
N24519 (A21N)
2817 km
Estimated
16:40
In 2 days
Estimated
20:35
In 2 days
UA331
UAL331
EST. DEPART IN 1d
Tuesday, February 17 2026
09:40 MST
ON-TIME
Scheduled 09:40
Tuesday, February 17 2026
15:35 EST
Scheduled 15:35
Flight info
Airline/Operator
Duration
03h55m
Distance
2817 km
Departure Terminal
-
Arrival Terminal
B
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
-
Aircraft Age
Owner
Last Activity
4 minutes ago
Last Known Location
In flight - Near Monee, 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
  • 17 Feb
    UA331
    EST. DEPART IN 1d
    16:40
    Denver, CO (DEN)
    20:35
    Boston, MA (BOS)
    03h55m
    N24519 (A21N)
    2817 km
    Estimated
    16:40
    In 2 days
    Estimated
    20:35
    In 2 days
  • 16 Feb
    UA331
    EST. DEPART IN 19h 49m
    16:40
    Denver, CO (DEN)
    20:35
    Boston, MA (BOS)
    03h55m
    N14539 (A21N)
    2817 km
    Estimated
    16:40
    In 20 hours
    Estimated
    20:35
    In 24 hours
  • Past
  • 15 Feb
    UA331
    LANDED 15m AGO
    16:49
    Denver, CO (DEN)
    20:35
    Boston, MA (BOS)
    03h13m
    N37530 (B39M)
    2817 km
    Departed
    16:49
    4 hours ago
    Arrived
    20:35
    15 minutes ago
  • 14 Feb
    UA331
    LANDED 1d AGO
    16:37
    Denver, CO (DEN)
    20:31
    Boston, MA (BOS)
    03h14m
    N37307 (B38M)
    2817 km
    Departed
    16:37
    1 day ago
    Arrived
    20:31
    1 day ago
  • 13 Feb
    UA331
    LANDED 2d AGO
    16:35
    Denver, CO (DEN)
    20:17
    Boston, MA (BOS)
    03h23m
    N24542 (A21N)
    2817 km
    Departed
    16:35
    2 days ago
    Arrived
    20:17
    2 days ago
  • 12 Feb
    UA331
    LANDED 3d AGO
    16:32
    Denver, CO (DEN)
    20:07
    Boston, MA (BOS)
    03h09m
    N14549 (A21N)
    2817 km
    Departed
    16:32
    3 days ago
    Arrived
    20:07
    3 days ago
  • 11 Feb
    UA331
    LANDED 4d AGO
    17:24
    Denver, CO (DEN)
    18:39
    Omaha, NE (OMA)
    00h55m
    N433UA (A320)
    758 km
    Departed
    17:24
    4 days ago
    Arrived
    18:39
    4 days ago
  • 10 Feb
    UA331
    LANDED 5d AGO
    16:56
    Denver, CO (DEN)
    18:15
    Omaha, NE (OMA)
    00h57m
    N477UA (A320)
    758 km
    Departed
    16:56
    5 days ago
    Arrived
    18:15
    5 days ago
  • 9 Feb
    UA331
    LANDED 6d AGO
    16:58
    Denver, CO (DEN)
    18:23
    Omaha, NE (OMA)
    00h59m
    N477UA (A320)
    758 km
    Departed
    16:58
    6 days ago
    Arrived
    18:23
    6 days ago
DateOriginSTDATDDestinationSTAAircraftDelayStatusDurationReplay
Future
2026 Feb 17Denver, CO (DEN/KDEN)
09:40 MST
Boston, MA (BOS/KBOS)
15:35 EST
A21N (N24519)
Estimated
03h55m
2026 Feb 16Denver, CO (DEN/KDEN)
09:40 MST
Boston, MA (BOS/KBOS)
15:35 EST
A21N (N14539)
Estimated
03h55m
Past
2026 Feb 15Denver, CO (DEN/KDEN)
09:51 MST
09:49 MST
Boston, MA (BOS/KBOS)
15:44 EST
B39M (N37530)
Landed 15:35 EST
Time aircraft arrives at gate derived from company/airport information
03h13m
2026 Feb 14Denver, CO (DEN/KDEN)
09:43 MST
09:37 MST
Boston, MA (BOS/KBOS)
15:36 EST
B38M (N37307)
Landed 15:31 EST
Time aircraft arrives at gate derived from company/airport information
03h14m
2026 Feb 13Denver, CO (DEN/KDEN)
09:40 MST
09:35 MST
Boston, MA (BOS/KBOS)
15:35 EST
A21N (N24542)
Landed 15:17 EST
Time aircraft arrives at gate derived from company/airport information
03h23m
2026 Feb 12Denver, CO (DEN/KDEN)
09:40 MST
09:32 MST
Boston, MA (BOS/KBOS)
15:35 EST
A21N (N14549)
Landed 15:07 EST
Time aircraft arrives at gate derived from company/airport information
03h09m
2026 Feb 11Denver, CO (DEN/KDEN)
10:05 MST
10:24 MST
Omaha, NE (OMA/KOMA)
12:44 CST
A320 (N433UA)
Landed 12:39 CST
Time aircraft arrives at gate derived from company/airport information
00h55m
2026 Feb 10Denver, CO (DEN/KDEN)
10:05 MST
09:56 MST
Omaha, NE (OMA/KOMA)
12:44 CST
A320 (N477UA)
Landed 12:15 CST
Time aircraft arrives at gate derived from company/airport information
00h57m
2026 Feb 9Denver, CO (DEN/KDEN)
10:05 MST
09:58 MST
Omaha, NE (OMA/KOMA)
12:44 CST
A320 (N477UA)
Landed 12:23 CST
Time aircraft arrives at gate derived from company/airport information
00h59m

Flight history for UA331 is available for a period over 7 days under our Basic subscription. More details here
More airport data is available for purchase. Please check our On Demand API.