9 Feb
UA721
LANDED 1d AGO
19:16
Boston, MA (BOS)
20:55
Washington, VA (IAD)
01h13m
N68453 (B739)
664 km
Departed
19:16
1 day ago
Arrived
20:55
1 day ago
UA721
UAL721
LANDED 1d AGO
Monday, February 9 2026
14:16 EST
Scheduled 14:20
Monday, February 9 2026
15:55 EST
ON-TIME
Scheduled 16:06
Flight info
Airline/Operator
Duration
01h13m
Distance
664 km
Operation Days
Sun
Mon
Tue
Wed
Thu
Fri
Sat
Departure Gate
B23
Arrival Gate
D4
Departure Terminal
B
Arrival Terminal
-
Departure Taxi Time
19m
Arrival Taxi Time
7m
ATC Route
KBOS.BLZZR6.BLZZR..BAF.HYPER9.KIAD/2052
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
41742/4052
Aircraft Age
Owner
Last Activity
4 hours ago
Last Known Location
San Diego, CA, 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
  • 12 Feb
    UA721
    SCHEDULED IN 1d
    22:45
    Washington, VA (IAD)
    04:22
    Las Vegas, NV (LAS)
    05h37m
    B739
    3317 km
  • 12 Feb
    UA721
    EST. DEPART IN 1d
    19:20
    Boston, MA (BOS)
    21:04
    Washington, VA (IAD)
    01h44m
    N17373 (B38M)
    664 km
    Estimated
    19:20
    In 2 days
    Estimated
    21:04
    In 2 days
  • 11 Feb
    UA721
    EST. DEPART IN 13h 17m
    19:20
    Boston, MA (BOS)
    21:06
    Washington, VA (IAD)
    01h46m
    N38451 (B739)
    664 km
    Estimated
    19:20
    In 13 hours
    Estimated
    21:06
    In 15 hours
  • Past
  • 10 Feb
    UA721
    LANDED 7h 40m AGO
    20:42
    Boston, MA (BOS)
    22:22
    Washington, VA (IAD)
    01h11m
    N75432 (B739)
    664 km
    Departed
    20:42
    9 hours ago
    Arrived
    22:22
    8 hours ago
  • 9 Feb
    UA721
    LANDED 1d AGO
    19:16
    Boston, MA (BOS)
    20:55
    Washington, VA (IAD)
    01h13m
    N68453 (B739)
    664 km
    Departed
    19:16
    1 day ago
    Arrived
    20:55
    1 day ago
  • 8 Feb
    UA721
    LANDED 2d AGO
    19:14
    Boston, MA (BOS)
    21:02
    Washington, VA (IAD)
    01h13m
    N831UA (A319)
    664 km
    Departed
    19:14
    2 days ago
    Arrived
    21:02
    2 days ago
  • 7 Feb
    UA721
    LANDED 3d AGO
    21:34
    Boston, MA (BOS)
    23:24
    Washington, VA (IAD)
    01h12m
    N62894 (B739)
    664 km
    Departed
    21:34
    3 days ago
    Arrived
    23:24
    3 days ago
  • 6 Feb
    UA721
    LANDED 4d AGO
    19:14
    Boston, MA (BOS)
    20:45
    Washington, VA (IAD)
    01h13m
    N69885 (B739)
    664 km
    Departed
    19:14
    4 days ago
    Arrived
    20:45
    4 days ago
  • 5 Feb
    UA721
    LANDED 5d AGO
    19:25
    Boston, MA (BOS)
    20:55
    Washington, VA (IAD)
    01h10m
    N27477 (B739)
    664 km
    Departed
    19:25
    5 days ago
    Arrived
    20:55
    5 days ago
  • 4 Feb
    UA721
    LANDED 6d AGO
    19:09
    Boston, MA (BOS)
    20:43
    Washington, VA (IAD)
    01h11m
    N67845 (B739)
    664 km
    Departed
    19:09
    6 days ago
    Arrived
    20:43
    6 days ago
DateOriginSTDATDDestinationSTAAircraftDelayStatusDurationReplay
Future
2026 Feb 12Washington, VA (IAD/KIAD)
17:45 EST
Las Vegas, NV (LAS/KLAS)
20:22 PST
B739
Scheduled
05h37m
2026 Feb 12Boston, MA (BOS/KBOS)
14:20 EST
Washington, VA (IAD/KIAD)
16:04 EST
B38M (N17373)
Estimated
01h44m
2026 Feb 11Boston, MA (BOS/KBOS)
14:20 EST
Washington, VA (IAD/KIAD)
16:06 EST
B739 (N38451)
Estimated
01h46m
Past
2026 Feb 10Boston, MA (BOS/KBOS)
14:20 EST
15:42 EST
Washington, VA (IAD/KIAD)
16:06 EST
B739 (N75432)
Landed 17:22 EST
Time aircraft arrives at gate derived from company/airport information
01h11m
2026 Feb 9Boston, MA (BOS/KBOS)
14:20 EST
14:16 EST
Washington, VA (IAD/KIAD)
16:06 EST
B739 (N68453)
Landed 15:55 EST
Time aircraft arrives at gate derived from company/airport information
01h13m
2026 Feb 8Boston, MA (BOS/KBOS)
14:20 EST
14:14 EST
Washington, VA (IAD/KIAD)
16:06 EST
A319 (N831UA)
Landed 16:02 EST
Time aircraft arrives at gate derived from company/airport information
01h13m
2026 Feb 7Boston, MA (BOS/KBOS)
14:27 EST
16:34 EST
Washington, VA (IAD/KIAD)
16:13 EST
B739 (N62894)
Landed 18:24 EST
Time aircraft arrives at gate derived from company/airport information
01h12m
2026 Feb 6Boston, MA (BOS/KBOS)
14:20 EST
14:14 EST
Washington, VA (IAD/KIAD)
16:06 EST
B739 (N69885)
Landed 15:45 EST
Time aircraft arrives at gate derived from company/airport information
01h13m
2026 Feb 5Boston, MA (BOS/KBOS)
14:20 EST
14:25 EST
Washington, VA (IAD/KIAD)
16:06 EST
B739 (N27477)
Landed 15:55 EST
Time aircraft arrives at gate derived from company/airport information
01h10m
2026 Feb 4Boston, MA (BOS/KBOS)
14:20 EST
14:09 EST
Washington, VA (IAD/KIAD)
16:06 EST
B739 (N67845)
Landed 15:43 EST
Time aircraft arrives at gate derived from company/airport information
01h11m

Flight history for UA721 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.