5Y811 Atlas Air - Flight Status

Which is the frequency of flight 5Y811?
The flight 5Y811 is scheduled to flight on Thursday, Saturday, Sunday on a weekly basis.

Which is the distance of flight 5Y811?
The distance between the two airports is 10524 kilometers.

Which is the flight time of flight 5Y811?
The scheduled flight time gate to gate is: 12:52 hours.
The real flight time gate to gate on average is: 11:40 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 Chicago: 2026-11-01 19:27:22
Current Time in Seoul: 2026-11-02 10:27:22

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

Atlas Air
- Flight Number: 5Y543. (On Time performance: 8 - Average Delay: 169 minutes)
- Flight Number: 5Y824. (On Time performance: 20 - Average Delay: 120 minutes)
- Flight Number: 5Y8531.
- Flight Number: 5Y855. (On Time performance: 27 - Average Delay: 242 minutes)
- Flight Number: 5Y859. (On Time performance: 18 - Average Delay: 105 minutes)

Kalitta Air
- Flight Number: K4524. (On Time performance: 14 - Average Delay: 88 minutes)
- Flight Number: K4532. (On Time performance: 3 - Average Delay: 135 minutes)
- Flight Number: K4536. (On Time performance: 8 - Average Delay: 140 minutes)
- Flight Number: K4538.
- Flight Number: K4602. (On Time performance: 15 - Average Delay: 162 minutes)

Korean Air
- Flight Number: KE232. (On Time performance: 23 - Average Delay: 49 minutes)
- Flight Number: KE260.
- Flight Number: KE38. (On Time performance: 65 - Average Delay: 15 minutes)
- Flight Number: KE8232. (On Time performance: 4 - Average Delay: 49 minutes)
- Flight Number: KE9232.

AIRZETA
- Flight Number: KJ2911.

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

Delays analyzed by Weekday: We have gathered available data from last six months, spanning from May 20, 2026 to October 27, 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.

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

Delays analyzed by Month: We have gathered available data from last twelve closed months, spanning from October 03, 2025 to September 17, 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.