You have been redirected to UAL399's flight page because we could not find the requested flight.
8 Feb
UA399
LANDED 7d AGO
17:21
Chicago, IL (ORD)
19:26
Boston, MA (BOS)
01h46m
N37508 (B39M)
1391 km
Departed
17:21
7 days ago
Arrived
19:26
7 days ago
UA399
UAL399
LANDED 7d AGO
Sunday, February 8 2026
11:21 CST
DELAYED
Scheduled 11:05
Sunday, February 8 2026
14:26 EST
ON-TIME
Scheduled 14:29
Flight info
Airline/Operator
Duration
01h46m
Distance
1391 km
Operation Days
Sun
Mon
Tue
Wed
Thu
Fri
Sat
Departure Gate
C22
Arrival Gate
B27
Departure Terminal
1
Arrival Terminal
B
Departure Taxi Time
14m
Arrival Taxi Time
6m
ATC Route
KORD..EBAKE..WISMO..POSTS..PADDE..SVM..DKK..PONCT.JFUND2.KBOS/1925
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
43439/7201
Aircraft Age
Owner
Last Activity
4 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
  • 17 Feb
    UA399
    EST. DEPART IN 1d
    23:16
    Seattle, WA (SEA)
    01:59
    Denver, CO (DEN)
    02h43m
    N37281 (B738)
    1646 km
    Estimated
    23:16
    In 2 days
    Estimated
    01:59
    In 2 days
  • 16 Feb
    UA399
    EST. DEPART IN 16h 58m
    23:16
    Seattle, WA (SEA)
    01:59
    Denver, CO (DEN)
    02h43m
    N47412 (B38M)
    1646 km
    Estimated
    23:16
    In 17 hours
    Estimated
    01:59
    In 20 hours
  • Past
  • 15 Feb
    UA399
    LANDED 4h 52m AGO
    22:51
    Seattle, WA (SEA)
    01:25
    Denver, CO (DEN)
    02h12m
    N66828 (B739)
    1646 km
    Departed
    22:51
    7 hours ago
    Arrived
    01:25
    5 hours ago
  • 14 Feb
    UA399
    LANDED 1d AGO
    23:22
    Seattle, WA (SEA)
    01:39
    Denver, CO (DEN)
    01h55m
    N473UA (A320)
    1646 km
    Departed
    23:22
    1 day ago
    Arrived
    01:39
    1 day ago
  • 13 Feb
    UA399
    LANDED 2d AGO
    22:41
    Seattle, WA (SEA)
    01:20
    Denver, CO (DEN)
    02h16m
    N14235 (B738)
    1646 km
    Departed
    22:41
    2 days ago
    Arrived
    01:20
    2 days ago
  • 12 Feb
    UA399
    LANDED 3d AGO
    23:13
    Seattle, WA (SEA)
    01:45
    Denver, CO (DEN)
    02h07m
    N62849 (B739)
    1646 km
    Departed
    23:13
    3 days ago
    Arrived
    01:45
    3 days ago
  • 11 Feb
    UA399
    LANDED 4d AGO
    16:59
    Chicago, IL (ORD)
    19:12
    Boston, MA (BOS)
    01h47m
    N14554 (A21N)
    1391 km
    Departed
    16:59
    5 days ago
    Arrived
    19:12
    4 days ago
  • 10 Feb
    UA399
    LANDED 5d AGO
    16:23
    Chicago, IL (ORD)
    18:32
    Boston, MA (BOS)
    01h41m
    N34562 (A21N)
    1391 km
    Departed
    16:23
    6 days ago
    Arrived
    18:32
    5 days ago
  • 9 Feb
    UA399
    LANDED 6d AGO
    17:00
    Chicago, IL (ORD)
    19:20
    Boston, MA (BOS)
    01h49m
    N18223 (B738)
    1391 km
    Departed
    17:00
    7 days ago
    Arrived
    19:20
    6 days ago
  • 8 Feb
    UA399
    LANDED 7d AGO
    17:21
    Chicago, IL (ORD)
    19:26
    Boston, MA (BOS)
    01h46m
    N37508 (B39M)
    1391 km
    Departed
    17:21
    7 days ago
    Arrived
    19:26
    7 days ago
DateOriginSTDATDDestinationSTAAircraftDelayStatusDurationReplay
Future
2026 Feb 17Seattle, WA (SEA/KSEA)
15:16 PST
Denver, CO (DEN/KDEN)
18:59 MST
B738 (N37281)
Estimated
02h43m
2026 Feb 16Seattle, WA (SEA/KSEA)
15:16 PST
Denver, CO (DEN/KDEN)
18:59 MST
B38M (N47412)
Estimated
02h43m
Past
2026 Feb 15Seattle, WA (SEA/KSEA)
14:55 PST
14:51 PST
Denver, CO (DEN/KDEN)
18:38 MST
B739 (N66828)
Landed 18:25 MST
Time aircraft arrives at gate derived from company/airport information
02h12m
2026 Feb 14Seattle, WA (SEA/KSEA)
15:25 PST
15:22 PST
Denver, CO (DEN/KDEN)
19:12 MST
A320 (N473UA)
Landed 18:39 MST
Time aircraft arrives at gate derived from company/airport information
01h55m
2026 Feb 13Seattle, WA (SEA/KSEA)
14:49 PST
14:41 PST
Denver, CO (DEN/KDEN)
18:32 MST
B738 (N14235)
Landed 18:20 MST
Time aircraft arrives at gate derived from company/airport information
02h16m
2026 Feb 12Seattle, WA (SEA/KSEA)
15:16 PST
15:13 PST
Denver, CO (DEN/KDEN)
18:59 MST
B739 (N62849)
Landed 18:45 MST
Time aircraft arrives at gate derived from company/airport information
02h07m
2026 Feb 11Chicago, IL (ORD/KORD)
11:05 CST
10:59 CST
Boston, MA (BOS/KBOS)
14:30 EST
A21N (N14554)
Landed 14:12 EST
Time aircraft arrives at gate derived from company/airport information
01h47m
2026 Feb 10Chicago, IL (ORD/KORD)
10:35 CST
10:23 CST
Boston, MA (BOS/KBOS)
14:00 EST
A21N (N34562)
Landed 13:32 EST
Time aircraft arrives at gate derived from company/airport information
01h41m
2026 Feb 9Chicago, IL (ORD/KORD)
11:05 CST
11:00 CST
Boston, MA (BOS/KBOS)
14:29 EST
B738 (N18223)
Landed 14:20 EST
Time aircraft arrives at gate derived from company/airport information
01h49m
2026 Feb 8Chicago, IL (ORD/KORD)
11:05 CST
11:21 CST
Boston, MA (BOS/KBOS)
14:29 EST
B39M (N37508)
Landed 14:26 EST
Time aircraft arrives at gate derived from company/airport information
01h46m

Flight history for UA399 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.