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

AS579 Alaska Airlines - Flight Status

Below, you can find details about Alaska Airlines flight AS579, which currently operates between the airports of Seattle - Seattle-Tacoma International Airport (Airport Code SEA) and Chicago - Chicago O'Hare International Airport (Airport Code ORD).
This flight data pertains specifically to the flight's details for Monday, October 26, 2026.

AS579 On Time performance:
67
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

AS579 Alaska Airlines to Chicago

Landed - On-time
Flight Status for Monday October 26, 2026
This flight is also scheduled for Today (October 27, 2026). See it here
This flight is also scheduled for Tomorrow (October 28, 2026). See it here

Airline information

Alaska Airlines
Alaska Airlines
Equipment: Boeing 737-800 (Scimitar Winglets) Passenger

Departure

Seattle (SEA)
October 26, 2026
Seattle-Tacoma International Airport
Departed at:
11:55 am
Gate:
C15
Scheduled Departure Time: 11:56 am

Arrival

Chicago (ORD)
October 26, 2026
Chicago O'Hare International Airport
Arrived at:
06:10 pm
Terminal:
3
Gate:
G10
Scheduled Arrival Time: 06:20 pm
Baggage: 23T2
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:

- AY3911 - Finnair

- QR2155 - Qatar Airways

Additional Information

Which is the frequency of flight AS579?
The flight AS579 is scheduled to flight on daily basis.

Which is the distance of flight AS579?
The distance between the two airports is 1716 miles.

Which is the flight time of flight AS579?
The scheduled flight time gate to gate is: 04:24 hours.
The real flight time gate to gate on average is: 04:13 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: 2026-10-27 06:36:56
Current Time in Chicago: 2026-10-27 08:36:56

Alternative Flights

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

American Airlines
- Flight Number: AA1476. (On Time performance: 61 - Average Delay: 52 minutes)
- Flight Number: AA1872. (On Time performance: 84 - Average Delay: 12 minutes)
- Flight Number: AA2379. (On Time performance: 95 - Average Delay: 11 minutes)
- Flight Number: AA2672. (On Time performance: 63 - Average Delay: 38 minutes)
- Flight Number: AA2966. (On Time performance: 54 - Average Delay: 35 minutes)
- Flight Number: AA3105. (On Time performance: 73 - Average Delay: 9 minutes)
- Flight Number: AA3234. (On Time performance: 61 - Average Delay: 70 minutes)

Alaska Airlines
- Flight Number: AS265. (On Time performance: 76 - Average Delay: 17 minutes)
- Flight Number: AS285. (On Time performance: 74 - Average Delay: 11 minutes)
- Flight Number: AS328. (On Time performance: 83 - Average Delay: 9 minutes)
- Flight Number: AS410. (On Time performance: 65 - Average Delay: 31 minutes)
- Flight Number: AS429. (On Time performance: 60 - Average Delay: 28 minutes)
- Flight Number: AS538. (On Time performance: 77 - Average Delay: 15 minutes)

China Cargo Airlines
- Flight Number: CK225. (On Time performance: 78 - Average Delay: 6 minutes)
- Flight Number: CK227. (On Time performance: 11 - Average Delay: 24 minutes)
- Flight Number: CK625.

Delta Air Lines
- Flight Number: DL2055. (On Time performance: 84 - Average Delay: 14 minutes)
- Flight Number: DL2108. (On Time performance: 57 - Average Delay: 27 minutes)
- Flight Number: DL637. (On Time performance: 59 - Average Delay: 22 minutes)

United Airlines
- Flight Number: UA1265. (On Time performance: 72 - Average Delay: 25 minutes)
- Flight Number: UA2369. (On Time performance: 80 - Average Delay: 8 minutes)
- Flight Number: UA2618. (On Time performance: 83 - Average Delay: 27 minutes)
- Flight Number: UA2835. (On Time performance: 79 - Average Delay: 12 minutes)
- Flight Number: UA747. (On Time performance: 84 - Average Delay: 9 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 October 03, 2026 to October 23, 2026, we have obtained these figures.
Total number of flights: 21
On Time: 14 ( 67 % )
Moderate Delay: 2 ( 10 % )
Significant Delay: 5 ( 24 % )
Major Delay: 0 ( 0 % )
Canceled: 0 ( 0 % )
Diverted: 0 ( 0 % )

Average Delay: 11 minutes.
Delays analyzed by Week: It is not possible to calculate the On-Time Performance for this flight accurately by weekday due to insufficient or non-representative data, as doing so could lead to misleading conclusions
Delays analyzed by Month: It is not possible to calculate the On-Time Performance for this flight accurately by month due to insufficient or non-representative data, as doing so could lead to misleading conclusions

Last Past Flights AS579

Date
Departure
Arrival
Duration
Aircraft
Status
Monday
26 October
11:55 am
Seattle (SEA)
06:10 pm
Chicago (ORD)
04h 15min
Boeing 737-800
Boeing 737-800
Landed - On-time
Sunday
25 October
11:57 am
Seattle (SEA)
06:13 pm
Chicago (ORD)
04h 16min
Boeing 737-900
Boeing 737-900
Landed - On-time
Saturday
24 October
11:53 am
Seattle (SEA)
05:56 pm
Chicago (ORD)
04h 03min
Boeing 737-900
Boeing 737-900
Landed - On-time
Friday
23 October
12:06 pm
Seattle (SEA)
06:28 pm
Chicago (ORD)
04h 22min
Boeing 737-900
Boeing 737-900
Landed - On-time
Thursday
22 October
11:51 am
Seattle (SEA)
05:46 pm
Chicago (ORD)
03h 55min
Boeing 737MAX
Boeing 737MAX
Landed - On-time
Wednesday
21 October
12:44 pm
Seattle (SEA)
06:50 pm
Chicago (ORD)
04h 06min
Boeing 737MAX
Boeing 737MAX
Landed - Delayed
Tuesday
20 October
11:51 am
Seattle (SEA)
05:58 pm
Chicago (ORD)
04h 07min
Boeing 737MAX
Boeing 737MAX
Landed - On-time
Monday
19 October
12:00 pm
Seattle (SEA)
06:03 pm
Chicago (ORD)
04h 03min
Boeing 737-900
Boeing 737-900
Landed - On-time
Sunday
18 October
12:18 pm
Seattle (SEA)
06:15 pm
Chicago (ORD)
03h 57min
Boeing 737-900
Boeing 737-900
Landed - On-time
Saturday
17 October
12:43 pm
Seattle (SEA)
07:02 pm
Chicago (ORD)
04h 19min
Boeing 737-900
Boeing 737-900
Landed - Delayed