12 Feb
UA641
EST. DEPART IN 1d
14:00
Washington, VA (IAD)
15:36
Boston, MA (BOS)
01h36m
N77431 (B739)
664 km
Estimated
14:00
In 2 days
Estimated
15:36
In 2 days
UA641
UAL641
EST. DEPART IN 1d
Thursday, February 12 2026
09:00 EST
ON-TIME
Scheduled 09:00
Thursday, February 12 2026
10:36 EST
Scheduled 10:36
Flight info
Airline/Operator
Duration
01h36m
Distance
664 km
Departure Terminal
-
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
3 hours ago
Last Known Location
Orlando, FL, 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
    UA641
    EST. DEPART IN 1d
    14:00
    Washington, VA (IAD)
    15:36
    Boston, MA (BOS)
    01h36m
    N77431 (B739)
    664 km
    Estimated
    14:00
    In 2 days
    Estimated
    15:36
    In 2 days
  • Past
  • 9 Feb
    UA641
    LANDED 1d AGO
    13:53
    Washington, VA (IAD)
    15:28
    Boston, MA (BOS)
    01h11m
    N61898 (B739)
    664 km
    Departed
    13:53
    1 day ago
    Arrived
    15:28
    1 day ago
  • 8 Feb
    UA641
    LANDED 2d AGO
    13:54
    Washington, VA (IAD)
    15:21
    Boston, MA (BOS)
    01h04m
    N66828 (B739)
    664 km
    Departed
    13:54
    2 days ago
    Arrived
    15:21
    2 days ago
  • 6 Feb
    UA641
    LANDED 4d AGO
    13:55
    Washington, VA (IAD)
    15:20
    Boston, MA (BOS)
    01h00m
    N75428 (B739)
    664 km
    Departed
    13:55
    4 days ago
    Arrived
    15:20
    4 days ago
  • 5 Feb
    UA641
    LANDED 5d AGO
    13:52
    Washington, VA (IAD)
    15:17
    Boston, MA (BOS)
    01h04m
    N36469 (B739)
    664 km
    Departed
    13:52
    5 days ago
    Arrived
    15:17
    5 days ago
DateOriginSTDATDDestinationSTAAircraftDelayStatusDurationReplay
Future
2026 Feb 12Washington, VA (IAD/KIAD)
09:00 EST
Boston, MA (BOS/KBOS)
10:36 EST
B739 (N77431)
Estimated
01h36m
Past
2026 Feb 9Washington, VA (IAD/KIAD)
09:00 EST
08:53 EST
Boston, MA (BOS/KBOS)
10:36 EST
B739 (N61898)
Landed 10:28 EST
Time aircraft arrives at gate derived from company/airport information
01h11m
2026 Feb 8Washington, VA (IAD/KIAD)
09:00 EST
08:54 EST
Boston, MA (BOS/KBOS)
10:36 EST
B739 (N66828)
Landed 10:21 EST
Time aircraft arrives at gate derived from company/airport information
01h04m
2026 Feb 6Washington, VA (IAD/KIAD)
09:00 EST
08:55 EST
Boston, MA (BOS/KBOS)
10:36 EST
B739 (N75428)
Landed 10:20 EST
Time aircraft arrives at gate derived from company/airport information
01h00m
2026 Feb 5Washington, VA (IAD/KIAD)
09:00 EST
08:52 EST
Boston, MA (BOS/KBOS)
10:36 EST
B739 (N36469)
Landed 10:17 EST
Time aircraft arrives at gate derived from company/airport information
01h04m

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