Informational Guide to Seoul Incheon International Airport (ICN) - Non Official

DL172 Delta Air Lines - Flight Status

Below, you can find details about Delta Air Lines flight DL172, which currently operates between the airports of Seoul - Seoul Incheon International Airport (Airport Code ICN) and Salt Lake City - Salt Lake City International Airport (Airport Code SLC).
This flight data pertains specifically to the flight's details for Sunday, January 25, 2026.

DL172 On Time performance:
84
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

DL172 Delta Air Lines to Salt Lake City

Scheduled - On-time
Flight Status for Sunday January 25, 2026
This flight was also scheduled for Yesterday (January 23, 2026). See it here

Airline information

Delta Air Lines
Delta Air Lines
Equipment: Airbus A350-900

Departure

Seoul (ICN)
January 25, 2026
Seoul Incheon International Airport
Estimated Departure Time:
19:40
Terminal:
2
Gate:
-
Scheduled Departure Time: 19:40

Arrival

Salt Lake City (SLC)
January 25, 2026
Salt Lake City International Airport
Estimated Arrival Time:
14:55
Terminal:
-
Gate:
-
Scheduled Arrival Time: 14:55
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.seoul-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:

- KE5023 - Korean Air

Additional Information

Which is the frequency of flight DL172?
The flight DL172 is scheduled to flight on Tuesday, Friday, Sunday on a weekly basis.

Which is the distance of flight DL172?
The distance between the two airports is 9484 kilometers.

Which is the flight time of flight DL172?
The scheduled flight time gate to gate is: 11:15 hours.
The real flight time gate to gate on average is: 16:31 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 Seoul: 2026-01-24 01:54:16
Current Time in Salt Lake City: 2026-01-23 09:54:16

Alternative Flights

Delta Air Lines is the only airline operating the route from Seoul to Salt Lake City.

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 October 21, 2025 to January 20, 2026, we have obtained these figures.
Total number of flights: 43
On Time: 36 ( 84 % )
Moderate Delay: 2 ( 5 % )
Significant Delay: 3 ( 7 % )
Major Delay: 2 ( 5 % )
Canceled: 0 ( 0 % )
Diverted: 0 ( 0 % )

Average Delay: 9 minutes.
Delays analyzed by Weekday: We have gathered available data from last six months, spanning from July 21, 2025 to January 20, 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 13, 2025 to December 30, 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 DL172

Date
Departure
Arrival
Duration
Aircraft
Status
Friday
23 January
19:44
Seoul (ICN)
14:57
Salt Lake City (SLC)
11h 13min
Airbus A350-90
Airbus A350-90
- On-time
Tuesday
20 January
19:32
Seoul (ICN)
14:23
Salt Lake City (SLC)
10h 51min
Airbus A350-90
Airbus A350-90
Landed - On-time
Sunday
18 January
19:54
Seoul (ICN)
15:15
Salt Lake City (SLC)
11h 21min
Airbus A350-90
Airbus A350-90
Landed - Delayed
Friday
16 January
20:01
Seoul (ICN)
15:31
Salt Lake City (SLC)
11h 30min
Airbus A350-90
Airbus A350-90
Landed - Delayed
Tuesday
13 January
19:46
Seoul (ICN)
14:30
Salt Lake City (SLC)
10h 44min
Airbus A350-90
Airbus A350-90
Landed - On-time
Sunday
11 January
20:11
Seoul (ICN)
15:00
Salt Lake City (SLC)
10h 49min
Airbus A350-90
Airbus A350-90
Landed - On-time
Friday
09 January
19:38
Seoul (ICN)
14:26
Salt Lake City (SLC)
10h 48min
Airbus A350-90
Airbus A350-90
Landed - On-time
Tuesday
06 January
22:29
Seoul (ICN)
17:15
Salt Lake City (SLC)
10h 46min
Airbus A350-90
Airbus A350-90
Landed - Delayed
Sunday
04 January
19:32
Seoul (ICN)
14:01
Salt Lake City (SLC)
10h 29min
Airbus A350-90
Airbus A350-90
Landed - On-time
Friday
02 January
19:30
Seoul (ICN)
14:11
Salt Lake City (SLC)
10h 41min
Airbus A350-90
Airbus A350-90
Landed - On-time