14 Feb
UA577
EST. DEPART IN 1d
18:59
Newark, NJ (EWR)
20:12
Boston, MA (BOS)
01h13m
N21723 (B737)
322 km
Estimated
18:59
In 1 day
Estimated
20:12
In 1 day
UA577
UAL577
EST. DEPART IN 1d
Saturday, February 14 2026
13:59 EST
ON-TIME
Scheduled 13:59
Saturday, February 14 2026
15:12 EST
Scheduled 15:12
Flight info
Airline/Operator
Duration
01h13m
Distance
322 km
Departure Terminal
A
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
2 minutes ago
Last Known Location
In flight - Near Cabot, 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
  • 15 Feb
    UA577
    SCHEDULED IN 2d
    00:55
    San Francisco, CA (SFO)
    05:32
    Detroit, MI (DTW)
    04h37m
    B738
    3338 km
  • 14 Feb
    UA577
    EST. DEPART IN 1d
    18:59
    Newark, NJ (EWR)
    20:12
    Boston, MA (BOS)
    01h13m
    N21723 (B737)
    322 km
    Estimated
    18:59
    In 1 day
    Estimated
    20:12
    In 1 day
  • 13 Feb
    UA577
    EST. DEPART IN 7h 25m
    20:16
    Newark, NJ (EWR)
    21:29
    Boston, MA (BOS)
    01h13m
    B737
    322 km
    Estimated
    20:16
    In 7 hours
    Estimated
    21:29
    In 9 hours
  • Past
  • 12 Feb
    UA577
    LANDED 16h 58m AGO
    18:53
    Newark, NJ (EWR)
    19:52
    Boston, MA (BOS)
    00h42m
    N13720 (B737)
    322 km
    Departed
    18:53
    18 hours ago
    Arrived
    19:52
    17 hours ago
  • 11 Feb
    UA577
    LANDED 1d AGO
    19:01
    Newark, NJ (EWR)
    20:04
    Boston, MA (BOS)
    00h43m
    N834UA (A319)
    322 km
    Departed
    19:01
    2 days ago
    Arrived
    20:04
    2 days ago
  • 11 Feb
    UA577
    LANDED 1d AGO
    13:06
    Fort Lauderdale, FL (FLL)
    15:53
    Newark, NJ (EWR)
    02h28m
    N37434 (B739)
    1717 km
    Departed
    13:06
    2 days ago
    Arrived
    15:53
    2 days ago
  • 10 Feb
    UA577
    LANDED 2d AGO
    18:50
    Newark, NJ (EWR)
    20:04
    Boston, MA (BOS)
    00h56m
    N847UA (A319)
    322 km
    Departed
    18:50
    3 days ago
    Arrived
    20:04
    3 days ago
  • 10 Feb
    UA577
    LANDED 2d AGO
    13:05
    Fort Lauderdale, FL (FLL)
    16:09
    Newark, NJ (EWR)
    02h38m
    N69819 (B739)
    1717 km
    Departed
    13:05
    3 days ago
    Arrived
    16:09
    3 days ago
  • 9 Feb
    UA577
    LANDED 3d AGO
    19:05
    Newark, NJ (EWR)
    20:06
    Boston, MA (BOS)
    00h43m
    N811UA (A319)
    322 km
    Departed
    19:05
    4 days ago
    Arrived
    20:06
    4 days ago
  • 9 Feb
    UA577
    LANDED 3d AGO
    13:17
    Fort Lauderdale, FL (FLL)
    16:12
    Newark, NJ (EWR)
    02h31m
    N69847 (B739)
    1717 km
    Departed
    13:17
    4 days ago
    Arrived
    16:12
    4 days ago
  • 8 Feb
    UA577
    LANDED 4d AGO
    13:15
    Fort Lauderdale, FL (FLL)
    16:07
    Newark, NJ (EWR)
    02h28m
    N77430 (B739)
    1717 km
    Departed
    13:15
    5 days ago
    Arrived
    16:07
    5 days ago
  • 7 Feb
    UA577
    LANDED 5d AGO
    00:52
    Newark, NJ (EWR)
    02:13
    Boston, MA (BOS)
    00h52m
    N54711 (B737)
    322 km
    Departed
    00:52
    5 days ago
    Arrived
    02:13
    5 days ago
  • 7 Feb
    UA577
    LANDED 5d AGO
    13:11
    Fort Lauderdale, FL (FLL)
    16:12
    Newark, NJ (EWR)
    02h36m
    N37462 (B739)
    1717 km
    Departed
    13:11
    6 days ago
    Arrived
    16:12
    6 days ago
  • 6 Feb
    UA577
    LANDED 6d AGO
    18:59
    Newark, NJ (EWR)
    19:58
    Boston, MA (BOS)
    00h37m
    N807UA (A319)
    322 km
    Departed
    18:59
    7 days ago
    Arrived
    19:58
    7 days ago
  • 6 Feb
    UA577
    LANDED 6d AGO
    13:06
    Fort Lauderdale, FL (FLL)
    15:59
    Newark, NJ (EWR)
    02h32m
    N62889 (B739)
    1717 km
    Departed
    13:06
    7 days ago
    Arrived
    15:59
    7 days ago
DateOriginSTDATDDestinationSTAAircraftDelayStatusDurationReplay
Future
2026 Feb 15San Francisco, CA (SFO/KSFO)
16:55 PST
Detroit, MI (DTW/KDTW)
00:32 EST
B738
Scheduled
04h37m
2026 Feb 14Newark, NJ (EWR/KEWR)
13:59 EST
Boston, MA (BOS/KBOS)
15:12 EST
B737 (N21723)
Estimated
01h13m
2026 Feb 13Newark, NJ (EWR/KEWR)
13:59 EST
Boston, MA (BOS/KBOS)
15:12 EST
B737
Estimated
01h13m
Past
2026 Feb 12Newark, NJ (EWR/KEWR)
13:59 EST
13:53 EST
Boston, MA (BOS/KBOS)
15:12 EST
B737 (N13720)
Landed 14:52 EST
Time aircraft arrives at gate derived from company/airport information
00h42m
2026 Feb 11Newark, NJ (EWR/KEWR)
14:03 EST
14:01 EST
Boston, MA (BOS/KBOS)
15:15 EST
A319 (N834UA)
Landed 15:04 EST
Time aircraft arrives at gate derived from company/airport information
00h43m
2026 Feb 11Fort Lauderdale, FL (FLL/KFLL)
08:15 EST
08:06 EST
Newark, NJ (EWR/KEWR)
11:15 EST
B739 (N37434)
Landed 10:53 EST
Time aircraft arrives at gate derived from company/airport information
02h28m
2026 Feb 10Newark, NJ (EWR/KEWR)
14:03 EST
13:50 EST
Boston, MA (BOS/KBOS)
15:15 EST
A319 (N847UA)
Landed 15:04 EST
Time aircraft arrives at gate derived from company/airport information
00h56m
2026 Feb 10Fort Lauderdale, FL (FLL/KFLL)
08:15 EST
08:05 EST
Newark, NJ (EWR/KEWR)
11:15 EST
B739 (N69819)
Landed 11:09 EST
Time aircraft arrives at gate derived from company/airport information
02h38m
2026 Feb 9Newark, NJ (EWR/KEWR)
14:03 EST
14:05 EST
Boston, MA (BOS/KBOS)
15:15 EST
A319 (N811UA)
Landed 15:06 EST
Time aircraft arrives at gate derived from company/airport information
00h43m
2026 Feb 9Fort Lauderdale, FL (FLL/KFLL)
08:15 EST
08:17 EST
Newark, NJ (EWR/KEWR)
11:15 EST
B739 (N69847)
Landed 11:12 EST
Time aircraft arrives at gate derived from company/airport information
02h31m
2026 Feb 8Fort Lauderdale, FL (FLL/KFLL)
08:15 EST
08:15 EST
Newark, NJ (EWR/KEWR)
11:15 EST
B739 (N77430)
Landed 11:07 EST
Time aircraft arrives at gate derived from company/airport information
02h28m
2026 Feb 7Newark, NJ (EWR/KEWR)
13:57 EST
19:52 EST
Boston, MA (BOS/KBOS)
15:09 EST
B737 (N54711)
Landed 21:13 EST
Time aircraft arrives at gate derived from company/airport information
00h52m
2026 Feb 7Fort Lauderdale, FL (FLL/KFLL)
08:15 EST
08:11 EST
Newark, NJ (EWR/KEWR)
11:15 EST
B739 (N37462)
Landed 11:12 EST
Time aircraft arrives at gate derived from company/airport information
02h36m
2026 Feb 6Newark, NJ (EWR/KEWR)
14:03 EST
13:59 EST
Boston, MA (BOS/KBOS)
15:15 EST
A319 (N807UA)
Landed 14:58 EST
Time aircraft arrives at gate derived from company/airport information
00h37m
2026 Feb 6Fort Lauderdale, FL (FLL/KFLL)
08:15 EST
08:06 EST
Newark, NJ (EWR/KEWR)
11:15 EST
B739 (N62889)
Landed 10:59 EST
Time aircraft arrives at gate derived from company/airport information
02h32m

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