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12 Feb
UA399
EST. DEPART IN 11h 45m
23:16
Seattle, WA (SEA)
01:59
Denver, CO (DEN)
02h43m
N62849 (B739)
1646 km
Estimated
23:16
In 12 hours
Estimated
01:59
In 14 hours
UA399
UAL399
EST. DEPART IN 11h 45m
Thursday, February 12 2026
15:16 PST
ON-TIME
Scheduled 15:16
Thursday, February 12 2026
18:59 MST
Scheduled 18:59
Flight info
Airline/Operator
Duration
02h43m
Distance
1646 km
Operation Days
Sun
Mon
Tue
Wed
Thu
Fri
Sat
Departure Gate
B7A
Arrival Gate
B31
ATC Route
KSEA.SUMMA2.SUMMA.J54.BKE..PIH..MJANE.FLATI5.KDEN
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
11 hours ago
Last Known Location
Cleveland, OH, 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
    SCHEDULED IN 2d
    23:25
    Seattle, WA (SEA)
    02:12
    Denver, CO (DEN)
    02h47m
    A320
    1646 km
  • 13 Feb
    UA399
    EST. DEPART IN 1d
    22:49
    Seattle, WA (SEA)
    01:32
    Denver, CO (DEN)
    02h43m
    N14235 (B738)
    1646 km
    Estimated
    22:49
    In 1 day
    Estimated
    01:32
    In 2 days
  • 12 Feb
    UA399
    EST. DEPART IN 11h 45m
    23:16
    Seattle, WA (SEA)
    01:59
    Denver, CO (DEN)
    02h43m
    N62849 (B739)
    1646 km
    Estimated
    23:16
    In 12 hours
    Estimated
    01:59
    In 14 hours
  • Past
  • 11 Feb
    UA399
    LANDED 16h 18m AGO
    16:59
    Chicago, IL (ORD)
    19:12
    Boston, MA (BOS)
    01h47m
    N14554 (A21N)
    1391 km
    Departed
    16:59
    19 hours ago
    Arrived
    19:12
    16 hours ago
  • 10 Feb
    UA399
    LANDED 1d 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 2d 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 3d 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 4d 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 5d 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
  • 5 Feb
    UA399
    LANDED 6d AGO
    16:59
    Chicago, IL (ORD)
    19:42
    Boston, MA (BOS)
    01h51m
    N37274 (B738)
    1391 km
    Departed
    16:59
    7 days ago
    Arrived
    19:42
    7 days ago
DateOriginSTDATDDestinationSTAAircraftDelayStatusDurationReplay
Future
2026 Feb 14Seattle, WA (SEA/KSEA)
15:25 PST
Denver, CO (DEN/KDEN)
19:12 MST
A320
Scheduled
02h47m
2026 Feb 13Seattle, WA (SEA/KSEA)
14:49 PST
Denver, CO (DEN/KDEN)
18:32 MST
B738 (N14235)
Estimated
02h43m
2026 Feb 12Seattle, WA (SEA/KSEA)
15:16 PST
Denver, CO (DEN/KDEN)
18:59 MST
B739 (N62849)
Estimated
02h43m
Past
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
2026 Feb 5Chicago, IL (ORD/KORD)
11:05 CST
10:59 CST
Boston, MA (BOS/KBOS)
14:29 EST
B738 (N37274)
Landed 14:42 EST
Time aircraft arrives at gate derived from company/airport information
01h51m

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