15 Feb
UA1721
LANDED 1h 52m AGO
14:10
San Diego, CA (SAN)
15:52
San Francisco, CA (SFO)
01h12m
N66831 (B739)
719 km
Departed
14:10
4 hours ago
Arrived
15:52
2 hours ago
UA1721
UAL1721
LANDED 1h 52m AGO
Sunday, February 15 2026
06:10 PST
Scheduled 06:15
Sunday, February 15 2026
07:52 PST
ON-TIME
Scheduled 08:05
Flight info
Airline/Operator
Duration
01h12m
Distance
719 km
Operation Days
Sun
Mon
Tue
Wed
Thu
Fri
Sat
Departure Gate
43
Arrival Gate
E4
Departure Terminal
2
Arrival Terminal
3
Departure Taxi Time
26m
Arrival Taxi Time
5m
ATC Route
KSAN.PADRZ2.IKAYE..RIZIN..SPLNT..STOKD..SERFR.SERFR4.KSFO/1545
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
44562/5029
Aircraft Age
Owner
Last Activity
2 hours ago
Last Known Location
San Francisco, CA, United States
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
    UA1721
    EST. DEPART IN 1d
    17:05
    San Francisco, CA (SFO)
    22:59
    Kailua/Kona, HI (KOA)
    05h54m
    N77867 (B753)
    3809 km
    Estimated
    17:05
    In 2 days
    Estimated
    22:59
    In 2 days
  • 16 Feb
    UA1721
    EST. DEPART IN 23h 20m
    17:05
    San Francisco, CA (SFO)
    22:59
    Kailua/Kona, HI (KOA)
    05h54m
    N77867 (B753)
    3809 km
    Estimated
    17:05
    In 23 hours
    Estimated
    22:59
    In 1 day
  • 16 Feb
    UA1721
    EST. DEPART IN 20h 30m
    14:15
    San Diego, CA (SAN)
    16:05
    San Francisco, CA (SFO)
    01h50m
    N66831 (B739)
    719 km
    Estimated
    14:15
    In 20 hours
    Estimated
    16:05
    In 22 hours
  • Current
  • 15 Feb
    UA1721
    LANDING IN 5h 4m
    17:05
    San Francisco, CA (SFO)
    22:49
    Kailua/Kona, HI (KOA)
    05h54m
    N77867 (B753)
    3809 km
    Departed
    17:05
    39 minutes ago
    Estimated
    22:49
    In 5 hours
  • Past
  • 15 Feb
    UA1721
    LANDED 1h 52m AGO
    14:10
    San Diego, CA (SAN)
    15:52
    San Francisco, CA (SFO)
    01h12m
    N66831 (B739)
    719 km
    Departed
    14:10
    4 hours ago
    Arrived
    15:52
    2 hours ago
  • 14 Feb
    UA1721
    LANDED 19h 1m AGO
    17:03
    San Francisco, CA (SFO)
    22:43
    Kailua/Kona, HI (KOA)
    05h16m
    N77871 (B753)
    3809 km
    Departed
    17:03
    1 day ago
    Arrived
    22:43
    19 hours ago
  • 14 Feb
    UA1721
    LANDED 1d AGO
    14:09
    San Diego, CA (SAN)
    15:40
    San Francisco, CA (SFO)
    01h04m
    N17322 (B38M)
    719 km
    Departed
    14:09
    1 day ago
    Arrived
    15:40
    1 day ago
  • 13 Feb
    UA1721
    LANDED 1d AGO
    17:00
    San Francisco, CA (SFO)
    22:49
    Kailua/Kona, HI (KOA)
    05h13m
    N77871 (B753)
    3809 km
    Departed
    17:00
    2 days ago
    Arrived
    22:49
    2 days ago
  • 13 Feb
    UA1721
    LANDED 2d AGO
    14:10
    San Diego, CA (SAN)
    16:00
    San Francisco, CA (SFO)
    01h08m
    N27419 (B39M)
    719 km
    Departed
    14:10
    2 days ago
    Arrived
    16:00
    2 days ago
  • 12 Feb
    UA1721
    LANDED 2d AGO
    16:58
    San Francisco, CA (SFO)
    22:15
    Kailua/Kona, HI (KOA)
    04h47m
    N75854 (B753)
    3809 km
    Departed
    16:58
    3 days ago
    Arrived
    22:15
    3 days ago
  • 12 Feb
    UA1721
    LANDED 3d AGO
    14:09
    San Diego, CA (SAN)
    15:42
    San Francisco, CA (SFO)
    01h03m
    N47298 (B38M)
    719 km
    Departed
    14:09
    3 days ago
    Arrived
    15:42
    3 days ago
  • 11 Feb
    UA1721
    LANDED 3d AGO
    16:59
    San Francisco, CA (SFO)
    22:48
    Kailua/Kona, HI (KOA)
    05h01m
    N75854 (B753)
    3809 km
    Departed
    16:59
    4 days ago
    Arrived
    22:48
    4 days ago
  • 10 Feb
    UA1721
    LANDED 4d AGO
    16:58
    San Francisco, CA (SFO)
    22:16
    Kailua/Kona, HI (KOA)
    04h47m
    N14120 (B752)
    3809 km
    Departed
    16:58
    5 days ago
    Arrived
    22:16
    5 days ago
  • 9 Feb
    UA1721
    LANDED 5d AGO
    16:55
    San Francisco, CA (SFO)
    23:10
    Kailua/Kona, HI (KOA)
    05h21m
    N14120 (B752)
    3809 km
    Departed
    16:55
    6 days ago
    Arrived
    23:10
    6 days ago
DateOriginSTDATDDestinationSTAAircraftDelayStatusDurationReplay
Future
2026 Feb 17San Francisco, CA (SFO/KSFO)
09:05 PST
Kailua/Kona, HI (KOA/PHKO)
12:59 HST
B753 (N77867)
Estimated
05h54m
2026 Feb 16San Francisco, CA (SFO/KSFO)
09:05 PST
Kailua/Kona, HI (KOA/PHKO)
12:59 HST
B753 (N77867)
Estimated
05h54m
2026 Feb 16San Diego, CA (SAN/KSAN)
06:15 PST
San Francisco, CA (SFO/KSFO)
08:05 PST
B739 (N66831)
Estimated
01h50m
Current
2026 Feb 15San Francisco, CA (SFO/KSFO)
09:05 PST
09:05 PST
Kailua/Kona, HI (KOA/PHKO)
12:59 HST
B753 (N77867)
Est. Arrival 12:49 HST
05h54m
Past
2026 Feb 15San Diego, CA (SAN/KSAN)
06:15 PST
06:10 PST
San Francisco, CA (SFO/KSFO)
08:05 PST
B739 (N66831)
Landed 07:52 PST
Time aircraft arrives at gate derived from company/airport information
01h12m
2026 Feb 14San Francisco, CA (SFO/KSFO)
09:05 PST
09:03 PST
Kailua/Kona, HI (KOA/PHKO)
12:59 HST
B753 (N77871)
Landed 12:43 HST
Time aircraft arrives at gate derived from company/airport information
05h16m
2026 Feb 14San Diego, CA (SAN/KSAN)
06:15 PST
06:09 PST
San Francisco, CA (SFO/KSFO)
08:05 PST
B38M (N17322)
Landed 07:40 PST
Time aircraft arrives at gate derived from company/airport information
01h04m
2026 Feb 13San Francisco, CA (SFO/KSFO)
09:05 PST
09:00 PST
Kailua/Kona, HI (KOA/PHKO)
12:59 HST
B753 (N77871)
Landed 12:49 HST
Time aircraft arrives at gate derived from company/airport information
05h13m
2026 Feb 13San Diego, CA (SAN/KSAN)
06:15 PST
06:10 PST
San Francisco, CA (SFO/KSFO)
08:05 PST
B39M (N27419)
Landed 08:00 PST
Time aircraft arrives at gate derived from company/airport information
01h08m
2026 Feb 12San Francisco, CA (SFO/KSFO)
09:05 PST
08:58 PST
Kailua/Kona, HI (KOA/PHKO)
12:59 HST
B753 (N75854)
Landed 12:15 HST
Time aircraft arrives at gate derived from company/airport information
04h47m
2026 Feb 12San Diego, CA (SAN/KSAN)
06:15 PST
06:09 PST
San Francisco, CA (SFO/KSFO)
08:05 PST
B38M (N47298)
Landed 07:42 PST
Time aircraft arrives at gate derived from company/airport information
01h03m
2026 Feb 11San Francisco, CA (SFO/KSFO)
09:00 PST
08:59 PST
Kailua/Kona, HI (KOA/PHKO)
12:57 HST
B753 (N75854)
Landed 12:48 HST
Time aircraft arrives at gate derived from company/airport information
05h01m
2026 Feb 10San Francisco, CA (SFO/KSFO)
09:00 PST
08:58 PST
Kailua/Kona, HI (KOA/PHKO)
12:57 HST
B752 (N14120)
Landed 12:16 HST
Time aircraft arrives at gate derived from company/airport information
04h47m
2026 Feb 9San Francisco, CA (SFO/KSFO)
09:00 PST
08:55 PST
Kailua/Kona, HI (KOA/PHKO)
12:57 HST
B752 (N14120)
Landed 13:10 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.