12 Feb
UA558
EST. DEPART IN 8h 24m
15:00
Denver, CO (DEN)
18:54
Boston, MA (BOS)
03h54m
N14544 (A21N)
2817 km
Estimated
15:00
In 8 hours
Estimated
18:54
In 12 hours
UA558
UAL558
EST. DEPART IN 8h 24m
Thursday, February 12 2026
08:00 MST
ON-TIME
Scheduled 08:00
Thursday, February 12 2026
13:54 EST
Scheduled 13:54
Flight info
Airline/Operator
Duration
03h54m
Distance
2817 km
Operation Days
Sun
Mon
Tue
Wed
Thu
Fri
Sat
Departure Gate
B21
Arrival Gate
B24
Departure Terminal
-
Arrival Terminal
B
ATC Route
KDEN.EEONS8.WYNDM..HCT..LNK.J60.JOT.J146.GIJ.J554.JHW.Q82.PONCT.JFUND2.KBOS
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 hours ago
Last Known Location
Denver, CO, 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
  • 14 Feb
    UA558
    SCHEDULED IN 2d
    15:00
    Denver, CO (DEN)
    18:54
    Boston, MA (BOS)
    03h54m
    A21N
    2817 km
  • 13 Feb
    UA558
    EST. DEPART IN 1d
    15:00
    Denver, CO (DEN)
    18:54
    Boston, MA (BOS)
    03h54m
    N14541 (A21N)
    2817 km
    Estimated
    15:00
    In 1 day
    Estimated
    18:54
    In 1 day
  • 12 Feb
    UA558
    EST. DEPART IN 8h 24m
    15:00
    Denver, CO (DEN)
    18:54
    Boston, MA (BOS)
    03h54m
    N14544 (A21N)
    2817 km
    Estimated
    15:00
    In 8 hours
    Estimated
    18:54
    In 12 hours
  • Past
  • 11 Feb
    UA558
    LANDED 8h 16m AGO
    21:12
    Boston, MA (BOS)
    22:19
    Newark, NJ (EWR)
    00h44m
    N834UA (A319)
    322 km
    Departed
    21:12
    9 hours ago
    Arrived
    22:19
    8 hours ago
  • 11 Feb
    UA558
    LANDED 12h 15m AGO
    14:55
    Denver, CO (DEN)
    18:20
    Boston, MA (BOS)
    03h07m
    N34535 (A21N)
    2817 km
    Departed
    14:55
    16 hours ago
    Arrived
    18:20
    12 hours ago
  • 10 Feb
    UA558
    LANDED 1d AGO
    21:09
    Boston, MA (BOS)
    22:32
    Newark, NJ (EWR)
    00h50m
    N847UA (A319)
    322 km
    Departed
    21:09
    1 day ago
    Arrived
    22:32
    1 day ago
  • 9 Feb
    UA558
    LANDED 2d AGO
    21:08
    Boston, MA (BOS)
    22:23
    Newark, NJ (EWR)
    00h48m
    N811UA (A319)
    322 km
    Departed
    21:08
    2 days ago
    Arrived
    22:23
    2 days ago
  • 9 Feb
    UA558
    LANDED 2d AGO
    14:52
    Denver, CO (DEN)
    18:29
    Boston, MA (BOS)
    03h18m
    N24510 (A21N)
    2817 km
    Departed
    14:52
    3 days ago
    Arrived
    18:29
    2 days ago
  • 8 Feb
    UA558
    LANDED 3d AGO
    14:57
    Denver, CO (DEN)
    18:53
    Boston, MA (BOS)
    03h30m
    N54552 (A21N)
    2817 km
    Departed
    14:57
    4 days ago
    Arrived
    18:53
    3 days ago
  • 7 Feb
    UA558
    LANDED 4d AGO
    03:13
    Boston, MA (BOS)
    04:55
    Newark, NJ (EWR)
    00h50m
    N54711 (B737)
    322 km
    Departed
    03:13
    4 days ago
    Arrived
    04:55
    4 days ago
  • 6 Feb
    UA558
    LANDED 5d AGO
    21:43
    Boston, MA (BOS)
    23:16
    Newark, NJ (EWR)
    00h45m
    N807UA (A319)
    322 km
    Departed
    21:43
    5 days ago
    Arrived
    23:16
    5 days ago
  • 6 Feb
    UA558
    LANDED 5d AGO
    14:55
    Denver, CO (DEN)
    18:42
    Boston, MA (BOS)
    03h27m
    N54552 (A21N)
    2817 km
    Departed
    14:55
    6 days ago
    Arrived
    18:42
    5 days ago
  • 5 Feb
    UA558
    LANDED 6d AGO
    21:10
    Boston, MA (BOS)
    22:30
    Newark, NJ (EWR)
    00h54m
    N819UA (A319)
    322 km
    Departed
    21:10
    6 days ago
    Arrived
    22:30
    6 days ago
  • 5 Feb
    UA558
    LANDED 6d AGO
    14:59
    Denver, CO (DEN)
    18:40
    Boston, MA (BOS)
    03h23m
    N54525 (A21N)
    2817 km
    Departed
    14:59
    7 days ago
    Arrived
    18:40
    6 days ago
DateOriginSTDATDDestinationSTAAircraftDelayStatusDurationReplay
Future
2026 Feb 14Denver, CO (DEN/KDEN)
08:00 MST
Boston, MA (BOS/KBOS)
13:54 EST
A21N
Scheduled
03h54m
2026 Feb 13Denver, CO (DEN/KDEN)
08:00 MST
Boston, MA (BOS/KBOS)
13:54 EST
A21N (N14541)
Estimated
03h54m
2026 Feb 12Denver, CO (DEN/KDEN)
08:00 MST
Boston, MA (BOS/KBOS)
13:54 EST
A21N (N14544)
Estimated
03h54m
Past
2026 Feb 11Boston, MA (BOS/KBOS)
16:15 EST
16:12 EST
Newark, NJ (EWR/KEWR)
17:42 EST
A319 (N834UA)
Landed 17:19 EST
Time aircraft arrives at gate derived from company/airport information
00h44m
2026 Feb 11Denver, CO (DEN/KDEN)
08:01 MST
07:55 MST
Boston, MA (BOS/KBOS)
14:02 EST
A21N (N34535)
Landed 13:20 EST
Time aircraft arrives at gate derived from company/airport information
03h07m
2026 Feb 10Boston, MA (BOS/KBOS)
16:15 EST
16:09 EST
Newark, NJ (EWR/KEWR)
17:42 EST
A319 (N847UA)
Landed 17:32 EST
Time aircraft arrives at gate derived from company/airport information
00h50m
2026 Feb 9Boston, MA (BOS/KBOS)
16:15 EST
16:08 EST
Newark, NJ (EWR/KEWR)
17:42 EST
A319 (N811UA)
Landed 17:23 EST
Time aircraft arrives at gate derived from company/airport information
00h48m
2026 Feb 9Denver, CO (DEN/KDEN)
08:01 MST
07:52 MST
Boston, MA (BOS/KBOS)
14:02 EST
A21N (N24510)
Landed 13:29 EST
Time aircraft arrives at gate derived from company/airport information
03h18m
2026 Feb 8Denver, CO (DEN/KDEN)
08:01 MST
07:57 MST
Boston, MA (BOS/KBOS)
14:02 EST
A21N (N54552)
Landed 13:53 EST
Time aircraft arrives at gate derived from company/airport information
03h30m
2026 Feb 7Boston, MA (BOS/KBOS)
16:05 EST
22:13 EST
Newark, NJ (EWR/KEWR)
17:32 EST
B737 (N54711)
Landed 23:55 EST
Time aircraft arrives at gate derived from company/airport information
00h50m
2026 Feb 6Boston, MA (BOS/KBOS)
16:33 EST
16:43 EST
Newark, NJ (EWR/KEWR)
18:00 EST
A319 (N807UA)
Landed 18:16 EST
Time aircraft arrives at gate derived from company/airport information
00h45m
2026 Feb 6Denver, CO (DEN/KDEN)
08:01 MST
07:55 MST
Boston, MA (BOS/KBOS)
14:02 EST
A21N (N54552)
Landed 13:42 EST
Time aircraft arrives at gate derived from company/airport information
03h27m
2026 Feb 5Boston, MA (BOS/KBOS)
16:15 EST
16:10 EST
Newark, NJ (EWR/KEWR)
17:42 EST
A319 (N819UA)
Landed 17:30 EST
Time aircraft arrives at gate derived from company/airport information
00h54m
2026 Feb 5Denver, CO (DEN/KDEN)
08:01 MST
07:59 MST
Boston, MA (BOS/KBOS)
14:02 EST
A21N (N54525)
Landed 13:40 EST
Time aircraft arrives at gate derived from company/airport information
03h23m

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