CI21 China Airlines - Flight Status
Codeshare Flights
The flight VN3007 from Vietnam Airlines (VN) is a codeshare flight operated by China Airlines (CI) under the flight number CI21. Check this page for details about flight CI21.
Below, you can find details about China Airlines flight CI21, which currently operates between the airports of Seattle - Seattle-Tacoma International Airport (Airport Code SEA) and Taipei - Taiwan Taoyuan International Airport (Airport Code TPE).
This flight data pertains specifically to the flight's details for Thursday, June 18, 2026.
Table of contents:
Flight Status Codeshare Flights Additional Information Alternative Flights Punctuality and delays Last Past Flights CI21
Flight Status Codeshare Flights Additional Information Alternative Flights Punctuality and delays Last Past Flights CI21
CI21 On Time performance:
95
We have calculated the percentage of flights that arrived within 15 minutes of their scheduled time, or earlier, based on real flight data from the last 3 months. More about punctuality and delays Flight Status
CI21 China Airlines from Seattle
En Route - On-time
Flight Status for Thursday June 18, 2026
This flight is also scheduled for Today (June 17, 2026). See it here
En Route - On-time
Flight Status for Thursday June 18, 2026
Departure
Seattle (SEA)
June 17, 2026
Seattle-Tacoma International Airport
Departed at:
01:20
Terminal:
M
Gate:
S11
Scheduled Departure Time: 01:15
Arrival
Taipei (TPE)
June 18, 2026
Taiwan Taoyuan International Airport
Estimated Arrival Time:
04:36
Terminal:
2
Gate:
D6
Scheduled Arrival Time: 05:00
Baggage: 2
Disclaimer
The information displayed on this website is gathered from third-party providers with a wide reputation on the sector, which in turn obtain the information from the airlines. This data is provided only for informative purposes. www.taipei-airport.com assumes no responsibility for loss or damage as a result of relying on information posted here. Please contact your airline to verify flight status.
Codeshare Flights
This flight is shared with other airlines, this means that these other flights are the same:
- VN3007 - Vietnam Airlines
Additional Information
Which is the frequency of flight CI21?
The flight CI21 is scheduled to flight on Monday, Tuesday, Wednesday, Thursday, Saturday on a weekly basis.
Which is the distance of flight CI21?
The distance between the two airports is 9761 kilometers.
Which is the flight time of flight CI21?
The scheduled flight time gate to gate is: 12:45 hours.
The real flight time gate to gate on average is: 12:35 hours.
Are the departure airport and arrival airport at the same Time Zone?
No, each airport is in a different timezone. The times shown above, are presented in the local time of each respective airport.
Current Time in Seattle: 2026-06-17 04:15:41
Current Time in Taipei: 2026-06-17 19:15:41
The flight CI21 is scheduled to flight on Monday, Tuesday, Wednesday, Thursday, Saturday on a weekly basis.
Which is the distance of flight CI21?
The distance between the two airports is 9761 kilometers.
Which is the flight time of flight CI21?
The scheduled flight time gate to gate is: 12:45 hours.
The real flight time gate to gate on average is: 12:35 hours.
Are the departure airport and arrival airport at the same Time Zone?
No, each airport is in a different timezone. The times shown above, are presented in the local time of each respective airport.
Current Time in Seattle: 2026-06-17 04:15:41
Current Time in Taipei: 2026-06-17 19:15:41
Alternative Flights
The following airlines serves the same route between Seattle and Taipei:
EVA Air
- Flight Number: BR23. (On Time performance: 83 - Average Delay: 6 minutes)
- Flight Number: BR25. (On Time performance: 82 - Average Delay: 7 minutes)
China Airlines
- Flight Number: CI5335.
- Flight Number: CI5381. (On Time performance: 52 - Average Delay: 26 minutes)
Delta Air Lines
- Flight Number: DL69. (On Time performance: 73 - Average Delay: 32 minutes)
Starlux Airlines
- Flight Number: JX31. (On Time performance: 82 - Average Delay: 8 minutes)
EVA Air
- Flight Number: BR23. (On Time performance: 83 - Average Delay: 6 minutes)
- Flight Number: BR25. (On Time performance: 82 - Average Delay: 7 minutes)
China Airlines
- Flight Number: CI5335.
- Flight Number: CI5381. (On Time performance: 52 - Average Delay: 26 minutes)
Delta Air Lines
- Flight Number: DL69. (On Time performance: 73 - Average Delay: 32 minutes)
Starlux Airlines
- Flight Number: JX31. (On Time performance: 82 - Average Delay: 8 minutes)
Punctuality and delays
We have gathered data from recent months and present below an analysis of how timely the flights have been.
Delays analyzed by Weekday: We have gathered available data from last six months, spanning from December 16, 2025 to June 15, 2026. Next, you can observe the results broken down by day of the week: number of flights analyzed, on-time performance per day, and average delay per day.
Delays analyzed by Month: We have gathered available data from last twelve closed months, spanning from June 02, 2025 to May 30, 2026. Next, you can observe the results broken down by month: number of flights analyzed, on-time performance per month, and average delay per month.
In terms of On-Time Performance, by analyzing the flight data from the last three months, spanning from March 16, 2026 to June 15, 2026, we have obtained these figures.
Total number of flights: 65
On Time: 62 ( 95 % )
Moderate Delay: 1 ( 2 % )
Significant Delay: 1 ( 2 % )
Major Delay: 1 ( 2 % )
Canceled: 0 ( 0 % )
Diverted: 0 ( 0 % )
Average Delay: 5 minutes.
Total number of flights: 65
On Time: 62 ( 95 % )
Moderate Delay: 1 ( 2 % )
Significant Delay: 1 ( 2 % )
Major Delay: 1 ( 2 % )
Canceled: 0 ( 0 % )
Diverted: 0 ( 0 % )
Average Delay: 5 minutes.
Last Past Flights CI21
Date
Departure
Arrival
Duration
Aircraft
Status
Tuesday
16 June
16 June
01:04
Seattle (SEA)
Seattle (SEA)
04:37
Taipei (TPE)
Taipei (TPE)
12h 33min
Airbus A350-90
Airbus A350-90
Landed - On-time
Monday
15 June
15 June
00:58
Seattle (SEA)
Seattle (SEA)
04:21
Taipei (TPE)
Taipei (TPE)
12h 23min
Airbus A350-90
Airbus A350-90
Landed - On-time
Saturday
13 June
13 June
01:17
Seattle (SEA)
Seattle (SEA)
04:49
Taipei (TPE)
Taipei (TPE)
12h 32min
Airbus A350-90
Airbus A350-90
Landed - On-time
Thursday
11 June
11 June
04:12
Seattle (SEA)
Seattle (SEA)
08:27
Taipei (TPE)
Taipei (TPE)
13h 15min
Airbus A350-90
Airbus A350-90
Landed - Delayed
Wednesday
10 June
10 June
01:20
Seattle (SEA)
Seattle (SEA)
05:28
Taipei (TPE)
Taipei (TPE)
13h 08min
Airbus A350-90
Airbus A350-90
Landed - Delayed
Tuesday
09 June
09 June
01:03
Seattle (SEA)
Seattle (SEA)
04:42
Taipei (TPE)
Taipei (TPE)
12h 39min
Airbus A350-90
Airbus A350-90
Landed - On-time
Monday
08 June
08 June
01:15
Seattle (SEA)
Seattle (SEA)
04:24
Taipei (TPE)
Taipei (TPE)
12h 09min
Airbus A350-90
Airbus A350-90
Landed - On-time
Saturday
06 June
06 June
01:07
Seattle (SEA)
Seattle (SEA)
04:28
Taipei (TPE)
Taipei (TPE)
12h 21min
Airbus A350-90
Airbus A350-90
Landed - On-time
Thursday
04 June
04 June
01:13
Seattle (SEA)
Seattle (SEA)
04:04
Taipei (TPE)
Taipei (TPE)
11h 51min
Airbus A350-90
Airbus A350-90
Landed - On-time
Wednesday
03 June
03 June
01:01
Seattle (SEA)
Seattle (SEA)
03:53
Taipei (TPE)
Taipei (TPE)
11h 52min
Airbus A350-90
Airbus A350-90
Landed - On-time
