9 Feb
UA399
LANDED 3d AGO
17:00
Chicago, IL (ORD)
19:20
Boston, MA (BOS)
01h49m
N18223 (B738)
1391 km
Departed
17:00
3 days ago
Arrived
19:20
3 days ago
UA399
UAL399
LANDED 3d AGO
Monday, February 9 2026
11:00 CST
Scheduled 11:05
Monday, February 9 2026
14:20 EST
ON-TIME
Scheduled 14:29
Flight info
Airline/Operator
Duration
01h49m
Distance
1391 km
Operation Days
Sun
Mon
Tue
Wed
Thu
Fri
Sat
Departure Gate
C28
Arrival Gate
B28
Departure Terminal
1
Arrival Terminal
B
Departure Taxi Time
26m
Arrival Taxi Time
5m
ATC Route
KORD..EBAKE..WISMO..POSTS..PADDE..SVM..DKK..PONCT.JFUND2.KBOS/1916
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
28932/162
Aircraft Age
Owner
Last Activity
21 minutes ago
Last Known Location
Portland, OR, 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
  • 14 Feb
    UA399
    EST. DEPART IN 1d
    23:25
    Seattle, WA (SEA)
    02:12
    Denver, CO (DEN)
    02h47m
    N449UA (A320)
    1646 km
    Estimated
    23:25
    In 2 days
    Estimated
    02:12
    In 2 days
  • 13 Feb
    UA399
    EST. DEPART IN 19h 55m
    22:49
    Seattle, WA (SEA)
    01:32
    Denver, CO (DEN)
    02h43m
    N14235 (B738)
    1646 km
    Estimated
    22:49
    In 20 hours
    Estimated
    01:32
    In 23 hours
  • Past
  • 12 Feb
    UA399
    LANDED 1h 8m AGO
    23:13
    Seattle, WA (SEA)
    01:45
    Denver, CO (DEN)
    02h07m
    N62849 (B739)
    1646 km
    Departed
    23:13
    4 hours ago
    Arrived
    01:45
    1 hour ago
  • 11 Feb
    UA399
    LANDED 1d AGO
    16:59
    Chicago, IL (ORD)
    19:12
    Boston, MA (BOS)
    01h47m
    N14554 (A21N)
    1391 km
    Departed
    16:59
    1 day ago
    Arrived
    19:12
    1 day ago
  • 10 Feb
    UA399
    LANDED 2d AGO
    16:23
    Chicago, IL (ORD)
    18:32
    Boston, MA (BOS)
    01h41m
    N34562 (A21N)
    1391 km
    Departed
    16:23
    2 days ago
    Arrived
    18:32
    2 days ago
  • 9 Feb
    UA399
    LANDED 3d AGO
    17:00
    Chicago, IL (ORD)
    19:20
    Boston, MA (BOS)
    01h49m
    N18223 (B738)
    1391 km
    Departed
    17:00
    3 days ago
    Arrived
    19:20
    3 days ago
  • 8 Feb
    UA399
    LANDED 4d AGO
    17:21
    Chicago, IL (ORD)
    19:26
    Boston, MA (BOS)
    01h46m
    N37508 (B39M)
    1391 km
    Departed
    17:21
    4 days ago
    Arrived
    19:26
    4 days ago
  • 7 Feb
    UA399
    LANDED 5d AGO
    16:33
    Chicago, IL (ORD)
    19:27
    Boston, MA (BOS)
    02h29m
    N24555 (A21N)
    1391 km
    Departed
    16:33
    5 days ago
    Arrived
    19:27
    5 days ago
  • 6 Feb
    UA399
    LANDED 6d AGO
    16:56
    Chicago, IL (ORD)
    20:22
    Boston, MA (BOS)
    02h03m
    N73275 (B738)
    1391 km
    Departed
    16:56
    6 days ago
    Arrived
    20:22
    6 days ago
DateOriginSTDATDDestinationSTAAircraftDelayStatusDurationReplay
Future
2026 Feb 14Seattle, WA (SEA/KSEA)
15:25 PST
Denver, CO (DEN/KDEN)
19:12 MST
A320 (N449UA)
Estimated
02h47m
2026 Feb 13Seattle, WA (SEA/KSEA)
14:49 PST
Denver, CO (DEN/KDEN)
18:32 MST
B738 (N14235)
Estimated
02h43m
Past
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
2026 Feb 7Chicago, IL (ORD/KORD)
10:35 CST
10:33 CST
Boston, MA (BOS/KBOS)
14:00 EST
A21N (N24555)
Landed 14:27 EST
Time aircraft arrives at gate derived from company/airport information
02h29m
2026 Feb 6Chicago, IL (ORD/KORD)
11:05 CST
10:56 CST
Boston, MA (BOS/KBOS)
14:29 EST
B738 (N73275)
Landed 15:22 EST
Time aircraft arrives at gate derived from company/airport information
02h03m

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