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

OZ271 Asiana Airlines - Flight Status

Codeshare Flights
The flight SQ5771 from Singapore Airlines (SQ) is a codeshare flight operated by Asiana Airlines (OZ) under the flight number OZ271. Check this page for details about flight OZ271.

Below, you can find details about Asiana Airlines flight OZ271, which currently operates between the airports of Seattle - Seattle-Tacoma International Airport (Airport Code SEA) and Seoul - Seoul Incheon International Airport (Airport Code ICN).
This flight data pertains specifically to the flight's details for Wednesday, April 01, 2026.

OZ271 On Time performance:
97
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

OZ271 Asiana Airlines to Seoul

Scheduled - On-time
Flight Status for Wednesday April 01, 2026
This flight was also scheduled for Yesterday (March 31, 2026). See it here

Airline information

Asiana Airlines
Asiana Airlines
Equipment: Boeing 777-200LR

Departure

Seattle (SEA)
April 01, 2026
Seattle-Tacoma International Airport
Estimated Departure Time:
12:55 am
Gate:
S3
Scheduled Departure Time: 12:55 am

Arrival

Seoul (ICN)
April 02, 2026
Seoul Incheon International Airport
Estimated Arrival Time:
05:15 am
Terminal:
2
Gate:
261
Scheduled Arrival Time: 05:15 am
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:

- SQ5771 - Singapore Airlines

- TG6752 - Thai Airways International

- UA7292 - United Airlines

Additional Information

Which is the frequency of flight OZ271?
The flight OZ271 is scheduled to flight on Monday, Tuesday, Wednesday, Thursday, Saturday, Sunday on a weekly basis.

Which is the distance of flight OZ271?
The distance between the two airports is 5206 miles.

Which is the flight time of flight OZ271?
The scheduled flight time gate to gate is: 12:20 hours.
The real flight time gate to gate on average is: 12:05 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: 2026-04-01 00:20:48
Current Time in Seoul: 2026-04-01 16:20:48

Alternative Flights

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

Delta Air Lines
- Flight Number: DL197. (On Time performance: 72 - Average Delay: 10 minutes)

Hawaiian Airlines
- Flight Number: HA871. (On Time performance: 75 - Average Delay: 9 minutes)

Korean Air
- Flight Number: KE234. (On Time performance: 67 - Average Delay: 22 minutes)
- Flight Number: KE42. (On Time performance: 70 - Average Delay: 16 minutes)

AIRZETA
- Flight Number: KJ241. (On Time performance: 3 - Average Delay: 64 minutes)
- Flight Number: KJ243.

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 28, 2025 to March 26, 2026, we have obtained these figures.
Total number of flights: 64
On Time: 62 ( 97 % )
Moderate Delay: 1 ( 2 % )
Significant Delay: 0 ( 0 % )
Major Delay: 1 ( 2 % )
Canceled: 0 ( 0 % )
Diverted: 0 ( 0 % )

Average Delay: 3 minutes.
Delays analyzed by Weekday: We have gathered available data from last six months, spanning from September 28, 2025 to March 26, 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 March 02, 2025 to February 28, 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.

Last Past Flights OZ271

Date
Departure
Arrival
Duration
Aircraft
Status
Wednesday
01 April
01:09 am
Seattle (SEA)
04:56 am
Seoul (ICN)
11h 47min
Boeing 777-200
Boeing 777-200
Landed - On-time
Tuesday
31 March
01:27 am
Seattle (SEA)
05:48 am
Seoul (ICN)
12h 21min
Boeing 777-200
Boeing 777-200
Landed - Delayed
Monday
30 March
12:32 am
Seattle (SEA)
03:59 am
Seoul (ICN)
11h 27min
Boeing 777-200
Boeing 777-200
Landed - On-time
Sunday
29 March
12:28 am
Seattle (SEA)
04:00 am
Seoul (ICN)
11h 32min
Boeing 777-200
Boeing 777-200
Landed - On-time
Friday
27 March
12:23 am
Seattle (SEA)
03:39 am
Seoul (ICN)
11h 16min
Boeing 777-200
Boeing 777-200
Landed - On-time
Wednesday
25 March
12:36 am
Seattle (SEA)
03:51 am
Seoul (ICN)
11h 15min
Boeing 777-200
Boeing 777-200
Landed - On-time
Tuesday
24 March
12:21 am
Seattle (SEA)
03:40 am
Seoul (ICN)
11h 19min
Boeing 777-200
Boeing 777-200
Landed - On-time
Monday
23 March
12:28 am
Seattle (SEA)
03:33 am
Seoul (ICN)
11h 05min
Boeing 777-200
Boeing 777-200
Landed - On-time
Sunday
22 March
12:23 am
Seattle (SEA)
03:31 am
Seoul (ICN)
11h 08min
Boeing 777-200
Boeing 777-200
Landed - On-time
Friday
20 March
12:26 am
Seattle (SEA)
04:00 am
Seoul (ICN)
11h 34min
Boeing 777-200
Boeing 777-200
Landed - On-time