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 1 day
Estimated
22:57
In 2 days
UA1721
UAL1721
EST. DEPART IN 1d
Sunday, February 8 2026
09:00 PST
ON-TIME
Scheduled 09:00
Sunday, February 8 2026
12:57 HST
Scheduled 12:57
Flight info
Airline/Operator
Duration
05h57m
Distance
3809 km
Departure Gate
-
Arrival Gate
2
Departure Terminal
3
Arrival Terminal
-
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
6 hours ago
Last Known Location
Chicago, IL, 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
  • 9 Feb
    UA1721
    SCHEDULED IN 2d
    17:00
    San Francisco, CA (SFO)
    22:57
    Kailua/Kona, HI (KOA)
    05h57m
    B753
    3809 km
  • 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 1 day
    Estimated
    22:57
    In 2 days
  • 7 Feb
    UA1721
    EST. DEPART IN 10h 24m
    17:00
    San Francisco, CA (SFO)
    22:57
    Kailua/Kona, HI (KOA)
    05h57m
    N57855 (B753)
    3809 km
    Estimated
    17:00
    In 10 hours
    Estimated
    22:57
    In 16 hours
  • Past
  • 6 Feb
    UA1721
    LANDED 7h 50m AGO
    16:56
    San Francisco, CA (SFO)
    22:45
    Kailua/Kona, HI (KOA)
    05h16m
    N75853 (B753)
    3809 km
    Departed
    16:56
    14 hours ago
    Arrived
    22:45
    8 hours ago
  • 5 Feb
    UA1721
    LANDED 1d AGO
    16:58
    San Francisco, CA (SFO)
    22:57
    Kailua/Kona, HI (KOA)
    05h20m
    N75853 (B753)
    3809 km
    Departed
    16:58
    2 days ago
    Arrived
    22:57
    1 day ago
  • 4 Feb
    UA1721
    LANDED 2d AGO
    16:52
    San Francisco, CA (SFO)
    22:31
    Kailua/Kona, HI (KOA)
    05h17m
    N57870 (B753)
    3809 km
    Departed
    16:52
    3 days ago
    Arrived
    22:31
    2 days ago
  • 3 Feb
    UA1721
    LANDED 3d AGO
    16:50
    San Francisco, CA (SFO)
    22:43
    Kailua/Kona, HI (KOA)
    05h22m
    N75854 (B753)
    3809 km
    Departed
    16:50
    4 days ago
    Arrived
    22:43
    3 days ago
  • 2 Feb
    UA1721
    LANDED 4d AGO
    16:50
    San Francisco, CA (SFO)
    22:36
    Kailua/Kona, HI (KOA)
    05h08m
    N57870 (B753)
    3809 km
    Departed
    16:50
    5 days ago
    Arrived
    22:36
    4 days ago
  • 1 Feb
    UA1721
    LANDED 5d AGO
    16:49
    San Francisco, CA (SFO)
    22:18
    Kailua/Kona, HI (KOA)
    05h05m
    N57857 (B753)
    3809 km
    Departed
    16:49
    6 days ago
    Arrived
    22:18
    5 days ago
  • 31 Jan
    UA1721
    LANDED 6d AGO
    16:51
    San Francisco, CA (SFO)
    22:38
    Kailua/Kona, HI (KOA)
    05h21m
    N75853 (B753)
    3809 km
    Departed
    16:51
    7 days ago
    Arrived
    22:38
    6 days ago
DateOriginSTDATDDestinationSTAAircraftDelayStatusDurationReplay
Future
2026 Feb 9San Francisco, CA (SFO/KSFO)
09:00 PST
Kailua/Kona, HI (KOA/PHKO)
12:57 HST
B753
Scheduled
05h57m
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
Past
2026 Feb 6San Francisco, CA (SFO/KSFO)
09:00 PST
08:56 PST
Kailua/Kona, HI (KOA/PHKO)
12:57 HST
B753 (N75853)
Landed 12:45 HST
Time aircraft arrives at gate derived from company/airport information
05h16m
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

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