11 Feb
CI21
EST. DEPART IN 18h 30m
08:10
Seattle, WA (SEA)
21:20
Taipei (TPE)
13h10m
B-18905 (A359)
9760 km
Estimated
08:10
In 18 hours
Estimated
21:20
In 1 day
CI21
CAL21
EST. DEPART IN 18h 30m
Wednesday, February 11 2026
00:10 PST
ON-TIME
Scheduled 00:10
Thursday, February 12 2026
05:20 CST
Scheduled 05:20
Flight info
Airline/Operator
Duration
13h10m
Distance
9760 km
Departure Gate
S12
Arrival Gate
D6
Departure Terminal
-
Arrival Terminal
2
ATC Route
KSEA.BANGR9.ARRIE.J523.TOU..5100N/13000W..5400N/14000W..5600N/15000W..CUDDA..SPY..OBOYD..NIKLL.R220.NRKEY.R220.NIPPI.R220.NODAN.R217.SDE.Y512.GTC.Y142.NESKO.Y142.SAMON.Y14.DGC.Y28.ISAKY.Y60.FUE.Z40.ESBIS.Z40.IGMON.A1.BULAN.A1.DRAKE.DRAKE1B.RCTP
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
Last Activity
20 minutes ago
Last Known Location
Taipei, Taiwan
Last Flight
Flight Activity
  • Future
  • 11 Feb
    CI21
    EST. DEPART IN 18h 30m
    08:10
    Seattle, WA (SEA)
    21:20
    Taipei (TPE)
    13h10m
    B-18905 (A359)
    9760 km
    Estimated
    08:10
    In 18 hours
    Estimated
    21:20
    In 1 day
  • Current
  • 10 Feb
    CI21
    LANDING IN 7h 34m
    08:06
    Seattle, WA (SEA)
    21:14
    Taipei (TPE)
    13h10m
    B-18903 (A359)
    9760 km
    Departed
    08:06
    6 hours ago
    Estimated
    21:14
    In 8 hours
  • Past
  • 9 Feb
    CI21
    LANDED 16h 50m AGO
    08:03
    Seattle, WA (SEA)
    20:49
    Taipei (TPE)
    12h18m
    B-18908 (A359)
    9760 km
    Departed
    08:03
    1 day ago
    Arrived
    20:49
    17 hours ago
  • 8 Feb
    CI21
    LANDED 1d AGO
    08:14
    Seattle, WA (SEA)
    20:54
    Taipei (TPE)
    12h12m
    B-18912 (A359)
    9760 km
    Departed
    08:14
    2 days ago
    Arrived
    20:54
    2 days ago
  • 6 Feb
    CI21
    LANDED 3d AGO
    08:22
    Seattle, WA (SEA)
    21:35
    Taipei (TPE)
    12h45m
    B-18909 (A359)
    9760 km
    Departed
    08:22
    4 days ago
    Arrived
    21:35
    4 days ago
  • 4 Feb
    CI21
    LANDED 5d AGO
    07:55
    Seattle, WA (SEA)
    20:22
    Taipei (TPE)
    11h59m
    B-18902 (A359)
    9760 km
    Departed
    07:55
    6 days ago
    Arrived
    20:22
    6 days ago
DateOriginSTDATDDestinationSTAAircraftDelayStatusDurationReplay
Future
2026 Feb 11Seattle, WA (SEA/KSEA)
00:10 PST
Taipei (TPE/RCTP)
05:20 CST
A359 (B-18905)
Estimated
13h10m
Current
2026 Feb 10Seattle, WA (SEA/KSEA)
00:10 PST
00:06 PST
Taipei (TPE/RCTP)
05:20 CST
A359 (B-18903)
Est. Arrival 05:14 CST
13h10m
Past
2026 Feb 9Seattle, WA (SEA/KSEA)
00:10 PST
00:03 PST
Taipei (TPE/RCTP)
05:20 CST
A359 (B-18908)
Landed 04:49 CST
Time aircraft arrives at gate derived from company/airport information
12h18m
2026 Feb 8Seattle, WA (SEA/KSEA)
00:10 PST
00:14 PST
Taipei (TPE/RCTP)
05:20 CST
A359 (B-18912)
Landed 04:54 CST
Time aircraft arrives at gate derived from company/airport information
12h12m
2026 Feb 6Seattle, WA (SEA/KSEA)
00:10 PST
00:22 PST
Taipei (TPE/RCTP)
05:20 CST
A359 (B-18909)
Landed 05:35 CST
Time aircraft arrives at gate derived from company/airport information
12h45m
2026 Feb 4Seattle, WA (SEA/KSEA)
00:10 PST
23:55 PST
Taipei (TPE/RCTP)
05:20 CST
A359 (B-18902)
Landed 04:22 CST
Time aircraft arrives at gate derived from company/airport information
11h59m

Flight history for CI21 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.