Informational Guide to Seattle–Tacoma Airport - Seatac (SEA) - NON OFFICIAL

CI21 China Airlines - Flight Status

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 Friday, March 21, 2025.

CI21 On Time performance:
86
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 to Taipei

Landed - On-time
Flight Status for Friday March 21, 2025

Airline information

China Airlines
China Airlines
Equipment: Airbus A350-900

Departure

Seattle (SEA)
March 21, 2025
Seattle-Tacoma International Airport
Departed at:
01:04 am
Gate:
S10
Scheduled Departure Time: 01:10 am

Arrival

Taipei (TPE)
March 22, 2025
Taiwan Taoyuan International Airport
Arrived at:
04:46 am
Terminal:
2
Gate:
A8
Scheduled Arrival Time: 05:20 am
Baggage: 3
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.seattle-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.

Additional Information

Which is the frequency of flight CI21?
The flight CI21 is scheduled to flight on Monday, Tuesday, Wednesday, Friday, Sunday on a weekly basis.

Which is the distance of flight CI21?
The distance between the two airports is 6065 miles.

Which is the flight time of flight CI21?
The scheduled flight time gate to gate is: 13:10 hours.
The real flight time gate to gate on average is: 13:48 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: 2025-03-21 19:36:50
Current Time in Taipei: 2025-03-22 10:36:50

Alternative Flights

The following airlines serves the same route between Seattle and Taipei:

EVA Air
- Flight Number: BR23. (On Time performance: 87 - Average Delay: 5 minutes)
- Flight Number: BR25. (On Time performance: 90 - Average Delay: 3 minutes)

China Airlines
- Flight Number: CI5235. (On Time performance: 41 - Average Delay: 116 minutes)
- Flight Number: CI5381. (On Time performance: 36 - Average Delay: 36 minutes)

Delta Air Lines
- Flight Number: DL69. (On Time performance: 62 - Average Delay: 21 minutes)

Starlux Airlines
- Flight Number: JX31. (On Time performance: 88 - Average Delay: 4 minutes)
- Flight Number: SJX31.

Punctuality and delays

We have gathered data from recent months and present below an analysis of how timely the flights have been.

In terms of On-Time Performance, by analyzing the flight data from the last three months, spanning from December 18, 2024 to March 17, 2025, we have obtained these figures.
Total number of flights: 64
On Time: 55 ( 86 % )
Moderate Delay: 4 ( 6 % )
Significant Delay: 3 ( 5 % )
Major Delay: 2 ( 3 % )
Canceled: 0 ( 0 % )
Diverted: 0 ( 0 % )

Average Delay: 6 minutes.
Delays analyzed by Weekday: We have gathered available data from last six months, spanning from September 18, 2024 to March 17, 2025. 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 July 15, 2024 to February 28, 2025. Next, you can observe the results broken down by month: number of flights analyzed, on-time performance per month, and average delay per month.

Last Past Flights CI21

Date
Departure
Arrival
Duration
Aircraft
Status
Thursday
20 March
01:09 am
Seattle (SEA)
04:54 am
Taipei (TPE)
12h 45min
Airbus A350-90
Airbus A350-90
Landed - On-time
Wednesday
19 March
01:09 am
Seattle (SEA)
05:02 am
Taipei (TPE)
12h 53min
Airbus A350-90
Airbus A350-90
Landed - On-time
Tuesday
18 March
12:59 am
Seattle (SEA)
04:41 am
Taipei (TPE)
12h 42min
Airbus A350-90
Airbus A350-90
Landed - On-time
Monday
17 March
12:55 am
Seattle (SEA)
04:49 am
Taipei (TPE)
12h 54min
Airbus A350-90
Airbus A350-90
Landed - On-time
Saturday
15 March
12:57 am
Seattle (SEA)
04:33 am
Taipei (TPE)
12h 36min
Airbus A350-90
Airbus A350-90
Landed - On-time
Thursday
13 March
12:55 am
Seattle (SEA)
04:47 am
Taipei (TPE)
12h 52min
Airbus A350-90
Airbus A350-90
Landed - On-time
Wednesday
12 March
01:05 am
Seattle (SEA)
04:38 am
Taipei (TPE)
12h 33min
Airbus A350-90
Airbus A350-90
Landed - On-time
Tuesday
11 March
01:23 am
Seattle (SEA)
05:13 am
Taipei (TPE)
12h 50min
Airbus A350-90
Airbus A350-90
Landed - On-time
Monday
10 March
12:05 am
Seattle (SEA)
04:52 am
Taipei (TPE)
12h 47min
Airbus A350-90
Airbus A350-90
Landed - On-time
Saturday
08 March
12:08 am
Seattle (SEA)
05:12 am
Taipei (TPE)
14h 04min
Airbus A350-90
Airbus A350-90
Landed - On-time