5 Feb
UA1721
LANDED 21h 17m AGO
16:58
San Francisco, CA (SFO)
22:57
Kailua/Kona, HI (KOA)
05h20m
N75853 (B753)
3809 km
Departed
16:58
1 day ago
Arrived
22:57
21 hours ago
UA1721
UAL1721
LANDED 21h 17m AGO
Thursday, February 5 2026
08:58 PST
Scheduled 09:00
Thursday, February 5 2026
12:57 HST
ON-TIME
Scheduled 12:57
Flight info
Airline/Operator
Duration
05h20m
Distance
3809 km
Operation Days
Sun
Mon
Tue
Wed
Thu
Fri
Sat
Departure Gate
F15
Arrival Gate
2
Departure Terminal
3
Arrival Terminal
-
Departure Taxi Time
35m
Arrival Taxi Time
4m
ATC Route
KSFO.GNNRR3.BEBOP.R464.BAART.R464.BARAZ.R464.BEKME.R464.BITTA..ONOHI.VECKI9.PHKO/2255
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
32812/997
Aircraft Age
Owner
Last Activity
21 minutes ago
Last Known Location
In flight - Near Pepeekeo, 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
  • 8 Feb
    UA1721
    EST. DEPART IN 1d
    17:00
    San Francisco, CA (SFO)
    22:57
    Kailua/Kona, HI (KOA)
    05h57m
    N77871 (B753)
    3809 km
    Estimated
    17:00
    In 2 days
    Estimated
    22:57
    In 2 days
  • 7 Feb
    UA1721
    EST. DEPART IN 20h 45m
    17:00
    San Francisco, CA (SFO)
    22:57
    Kailua/Kona, HI (KOA)
    05h57m
    N57855 (B753)
    3809 km
    Estimated
    17:00
    In 21 hours
    Estimated
    22:57
    In 1 day
  • Current
  • 6 Feb
    UA1721
    LANDING IN 2h 30m
    16:56
    San Francisco, CA (SFO)
    22:45
    Kailua/Kona, HI (KOA)
    05h57m
    N75853 (B753)
    3809 km
    Departed
    16:56
    3 hours ago
    Estimated
    22:45
    In 2 hours
  • Past
  • 5 Feb
    UA1721
    LANDED 21h 17m AGO
    16:58
    San Francisco, CA (SFO)
    22:57
    Kailua/Kona, HI (KOA)
    05h20m
    N75853 (B753)
    3809 km
    Departed
    16:58
    1 day ago
    Arrived
    22:57
    21 hours ago
  • 4 Feb
    UA1721
    LANDED 1d AGO
    16:52
    San Francisco, CA (SFO)
    22:31
    Kailua/Kona, HI (KOA)
    05h17m
    N57870 (B753)
    3809 km
    Departed
    16:52
    2 days ago
    Arrived
    22:31
    2 days ago
  • 3 Feb
    UA1721
    LANDED 2d AGO
    16:50
    San Francisco, CA (SFO)
    22:43
    Kailua/Kona, HI (KOA)
    05h22m
    N75854 (B753)
    3809 km
    Departed
    16:50
    3 days ago
    Arrived
    22:43
    3 days ago
  • 2 Feb
    UA1721
    LANDED 3d AGO
    16:50
    San Francisco, CA (SFO)
    22:36
    Kailua/Kona, HI (KOA)
    05h08m
    N57870 (B753)
    3809 km
    Departed
    16:50
    4 days ago
    Arrived
    22:36
    4 days ago
  • 1 Feb
    UA1721
    LANDED 4d AGO
    16:49
    San Francisco, CA (SFO)
    22:18
    Kailua/Kona, HI (KOA)
    05h05m
    N57857 (B753)
    3809 km
    Departed
    16:49
    5 days ago
    Arrived
    22:18
    5 days ago
  • 31 Jan
    UA1721
    LANDED 5d AGO
    16:51
    San Francisco, CA (SFO)
    22:38
    Kailua/Kona, HI (KOA)
    05h21m
    N75853 (B753)
    3809 km
    Departed
    16:51
    6 days ago
    Arrived
    22:38
    6 days ago
DateOriginSTDATDDestinationSTAAircraftDelayStatusDurationReplay
Future
2026 Feb 8San Francisco, CA (SFO/KSFO)
09:00 PST
Kailua/Kona, HI (KOA/PHKO)
12:57 HST
B753 (N77871)
Estimated
05h57m
2026 Feb 7San Francisco, CA (SFO/KSFO)
09:00 PST
Kailua/Kona, HI (KOA/PHKO)
12:57 HST
B753 (N57855)
Estimated
05h57m
Current
2026 Feb 6San Francisco, CA (SFO/KSFO)
09:00 PST
08:56 PST
Kailua/Kona, HI (KOA/PHKO)
12:57 HST
B753 (N75853)
Est. Arrival 12:45 HST
05h57m
Past
2026 Feb 5San Francisco, CA (SFO/KSFO)
09:00 PST
08:58 PST
Kailua/Kona, HI (KOA/PHKO)
12:57 HST
B753 (N75853)
Landed 12:57 HST
Time aircraft arrives at gate derived from company/airport information
05h20m
2026 Feb 4San Francisco, CA (SFO/KSFO)
09:00 PST
08:52 PST
Kailua/Kona, HI (KOA/PHKO)
12:57 HST
B753 (N57870)
Landed 12:31 HST
Time aircraft arrives at gate derived from company/airport information
05h17m
2026 Feb 3San Francisco, CA (SFO/KSFO)
09:00 PST
08:50 PST
Kailua/Kona, HI (KOA/PHKO)
12:57 HST
B753 (N75854)
Landed 12:43 HST
Time aircraft arrives at gate derived from company/airport information
05h22m
2026 Feb 2San Francisco, CA (SFO/KSFO)
09:00 PST
08:50 PST
Kailua/Kona, HI (KOA/PHKO)
12:57 HST
B753 (N57870)
Landed 12:36 HST
Time aircraft arrives at gate derived from company/airport information
05h08m
2026 Feb 1San Francisco, CA (SFO/KSFO)
09:00 PST
08:49 PST
Kailua/Kona, HI (KOA/PHKO)
12:57 HST
B753 (N57857)
Landed 12:18 HST
Time aircraft arrives at gate derived from company/airport information
05h05m
2026 Jan 31San Francisco, CA (SFO/KSFO)
09:00 PST
08:51 PST
Kailua/Kona, HI (KOA/PHKO)
12:57 HST
B753 (N75853)
Landed 12:38 HST
Time aircraft arrives at gate derived from company/airport information
05h21m

Flight history for UA1721 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.