Airport Tips & Quick Reference Guide to Seattle–Tacoma Airport - Seatac (SEA)

JX31 Starlux Airlines - Flight Status

Codeshare Flights
The flight AS7211 from Alaska Airlines (AS) is a codeshare flight operated by Starlux Airlines (J2X) under the flight number JX31. Check this page for details about flight JX31.

Below, you can find details about Starlux Airlines flight JX31, 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, September 24, 2026.

JX31 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

JX31 Starlux Airlines to Taipei

Scheduled - On-time
Flight Status for Thursday September 24, 2026
This flight was also scheduled for Yesterday (September 22, 2026). See it here
This flight is also scheduled for Today (September 23, 2026). See it here

Airline information

Starlux Airlines
Starlux Airlines
Equipment: Airbus A350-900

Departure

Seattle (SEA)
September 24, 2026
Seattle-Tacoma International Airport
Scheduled Departure Time:
01:15 am
Gate:
S9
Scheduled Departure Time: 01:15 am

Arrival

Taipei (TPE)
September 25, 2026
Taiwan Taoyuan International Airport
Estimated Arrival Time:
04:55 am
Terminal:
2
Gate:
-
Scheduled Arrival Time: 04:55 am
Baggage: 1
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.

Codeshare Flights

This flight is shared with other airlines, this means that these other flights are the same:

- AS7211 - Alaska Airlines

Additional Information

Which is the frequency of flight JX31?
The flight JX31 is scheduled to flight on daily basis.

Which is the distance of flight JX31?
The distance between the two airports is 6065 miles.

Which is the flight time of flight JX31?
The scheduled flight time gate to gate is: 12:40 hours.
The real flight time gate to gate on average is: 11:59 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: 2026-09-23 16:07:25
Current Time in Taipei: 2026-09-24 07:07:25

Alternative Flights

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

EVA Air
- Flight Number: BR23. (On Time performance: 95 - Average Delay: 3 minutes)
- Flight Number: BR25. (On Time performance: 95 - Average Delay: 4 minutes)

China Airlines
- Flight Number: CI21. (On Time performance: 79 - Average Delay: 29 minutes)
- Flight Number: CI5381. (On Time performance: 36 - Average Delay: 22 minutes)

Delta Air Lines
- Flight Number: DL69. (On Time performance: 71 - Average Delay: 41 minutes)

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 June 19, 2026 to September 18, 2026, we have obtained these figures.
Total number of flights: 91
On Time: 86 ( 95 % )
Moderate Delay: 1 ( 1 % )
Significant Delay: 3 ( 3 % )
Major Delay: 1 ( 1 % )
Canceled: 0 ( 0 % )
Diverted: 0 ( 0 % )

Average Delay: 2 minutes.
Delays analyzed by Weekday: We have gathered available data from last six months, spanning from March 19, 2026 to September 18, 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 September 02, 2025 to August 31, 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.

Note: We have excluded some months from the graph, since the quantity and quality of the data is not representative enough.

Last Past Flights JX31

Date
Departure
Arrival
Duration
Aircraft
Status
Wednesday
23 September
01:14 am
Seattle (SEA)
04:52 am
Taipei (TPE)
12h 38min
Airbus A350-90
Airbus A350-90
Landed - On-time
Tuesday
22 September
01:12 am
Seattle (SEA)
04:28 am
Taipei (TPE)
12h 16min
Airbus A350-90
Airbus A350-90
Landed - On-time
Monday
21 September
01:10 am
Seattle (SEA)
04:43 am
Taipei (TPE)
12h 33min
Airbus A350-90
Airbus A350-90
Landed - On-time
Sunday
20 September
01:20 am
Seattle (SEA)
04:48 am
Taipei (TPE)
12h 28min
Airbus A350-90
Airbus A350-90
Landed - On-time
Saturday
19 September
01:18 am
Seattle (SEA)
04:48 am
Taipei (TPE)
12h 30min
Airbus A350-90
Airbus A350-90
Landed - On-time
Friday
18 September
01:25 am
Seattle (SEA)
03:54 am
Taipei (TPE)
11h 29min
Airbus A350-90
Airbus A350-90
Landed - On-time
Thursday
17 September
01:14 am
Seattle (SEA)
04:49 am
Taipei (TPE)
12h 35min
Airbus A350-90
Airbus A350-90
Landed - On-time
Wednesday
16 September
01:05 am
Seattle (SEA)
04:28 am
Taipei (TPE)
12h 23min
Airbus A350-90
Airbus A350-90
Landed - On-time
Tuesday
15 September
01:03 am
Seattle (SEA)
04:40 am
Taipei (TPE)
12h 37min
Airbus A350-90
Airbus A350-90
Landed - On-time
Monday
14 September
01:07 am
Seattle (SEA)
04:44 am
Taipei (TPE)
12h 37min
Airbus A350-90
Airbus A350-90
Landed - On-time