Are you looking for the June 4th, 2026 DL 172 Seoul to Salt Lake City flight? Click here to go to our DL172 Seoul to Salt Lake City Flight Status page >

DL 172 Seoul to Seattle Flight Status

Delta Air Lines Flight DL172 from Seoul Incheon International Airport ICN to Seattle Tacoma International Airport SEA is not scheduled for today June 5th, 2026.
The last time the flight was scheduled was on March 27th, 2026.
Check the table below for DL172's most recent flight history:

DL 172 Flight Status & Schedule

Date Departure Arrival Status
Mar 27 19:40 14:55
Delayed >3h
Track >
Mar 17 19:40 14:55
Delayed >3h
Track >

Delta Air Lines DL 172 Seoul to Seattle Flight Information

Delta Air Lines Flight DL172 connects Seoul, South Korea to Seattle, United States, taking off from Seoul Incheon International Airport ICN and landing at Seattle Tacoma International Airport SEA.

How long is the DL172 flight from Seoul to Seattle?

The average flight time from Seoul to Seattle is 9 hours and 37 minutes. The flight distance is 8373 km / 5203 miles and the average flight speed is 870 km/h / 541 mph.

What is the On-Time Performance (OTP) of Delta Air Lines Flight DL172 Seoul to Seattle?

The Airportia On-Time Performance Rating for Delta Air Lines Flight DL172 is 1/5 stars. This metric is calculated using data from the past 10 flights.

When was the latest DL172 flight?

The latest flight took off on Friday, March 27th, 2026 with the flight status being Scheduled on 21:45.

How else can the flight DL172 be referenced as?

This Delta Air Lines flight can also be referenced as DAL172, DL0172, DL 172, DAL 172.

How often is flight DL172 delayed?

On average, 100% of all DL172 flights are delayed. The average delay is 268 minutes.

Can I get compensation for my delayed or cancelled DL172 flight or baggage issues?

If your DL172 flight was cancelled, delayed, or if you experienced baggage issues such as delayed, damaged, or lost bags, you may be entitled to compensation. Compensation amounts and eligibility depend on various regulations, including EC 261/2004, UK261, CA Montreal Convention, US GoodWill, BR-ANAC, SA-GACA and TK-SHY.

See our DL172 Flight Tracker above for more details.

DL172 Flight Delay Compensation up to 600€!

Claim compensation for your flight delay or cancellation!

Flight delays happen, but that doesn’t mean you have to accept them. You may be entitled to as much as 600€ in compensation if your flight has been delayed, cancelled or overbooked within the last three years. Claim Compensation Now >

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DL172 and Seoul ICN to Seattle SEA Flights

Flight DL172 is code-shared by 1 airline using the flight number KE5023

Other flights departing from Seoul ICN: TW11, KE653, LJ917, JQ1048

Other flights arriving at Seattle SEA: WN943, UA4214, DL3925, BR695

All flights connecting Seoul ICN to Seattle SEA.

DL172 Delta Air Lines Flight: Seoul to Seattle Route Map

Flight Delay Compensation up to 600€/$: Claim for delay, cancellation, or baggage issues >
Flight-schedule data supplied by Aviation Edge Real-time Flight Schedules API.