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

AS618 Alaska Airlines - Flight Status

Codeshare Flights
The flight QR3397 from Qatar Airways (QR) is a codeshare flight operated by Alaska Airlines (AS) under the flight number AS618. Check this page for details about flight AS618.

Below, you can find details about Alaska Airlines flight AS618, which currently operates between the airports of Saint Louis - St Louis Lambert International Airport (Airport Code STL) and Seattle - Seattle-Tacoma International Airport (Airport Code SEA).
This flight data pertains specifically to the flight's details for Friday, May 15, 2026.

AS618 On Time performance:
n/a
It is not possible to calculate the On-Time Performance for this flight accurately due to insufficient or non-representative data, as doing so could lead to misleading conclusions.

Flight Status

AS618 Alaska Airlines from Saint Louis

Landed - Delayed
Delay: 47 minutes
Flight Status for Friday May 15, 2026
This flight was also scheduled for Yesterday (May 14, 2026). See it here
This flight is also scheduled for Tomorrow (May 16, 2026). See it here

Airline information

Alaska Airlines
Alaska Airlines
Equipment: Boeing 737MAX 9 Passenger

Departure

Saint Louis (STL)
May 15, 2026
St Louis Lambert International Airport
Departed at:
04:55 pm
Terminal:
1
Gate:
C15
Scheduled Departure Time: 04:12 pm

Arrival

Seattle (SEA)
May 15, 2026
Seattle-Tacoma International Airport
Arrived at:
07:28 pm
Gate:
C15
Scheduled Arrival Time: 06:41 pm
Baggage: 10
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:

- AA9271 - American Airlines

- QR3397 - Qatar Airways

Additional Information

Which is the frequency of flight AS618?
The flight AS618 is scheduled to flight on Wednesday, Thursday, Friday on a weekly basis.

Which is the distance of flight AS618?
The distance between the two airports is 1705 miles.

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 Saint Louis: 2026-05-16 01:16:53
Current Time in Seattle: 2026-05-15 23:16:53

Alternative Flights

The following airline serve the same route between Saint Louis and Seattle:
Alaska Airlines - Flight Number: AS314. (On Time performance: 82 - Average Delay: 16 minutes)

Punctuality and delays

It is not possible to calculate the On-Time Performance for this flight accurately due to insufficient or non-representative data, as doing so could lead to misleading conclusions.

Delays analyzed by Weekday: We have gathered available data from last six months, spanning from November 14, 2025 to May 13, 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 May 02, 2025 to April 22, 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.

Last Past Flights AS618

Date
Departure
Arrival
Duration
Aircraft
Status
Thursday
14 May
07:45 pm
Saint Louis (STL)
10:30 pm
Seattle (SEA)
04h 45min
Boeing 737-900
Boeing 737-900
Landed - Delayed
Wednesday
13 May
04:39 pm
Saint Louis (STL)
06:56 pm
Seattle (SEA)
04h 17min
Boeing 737-900
Boeing 737-900
Landed - Delayed
Wednesday
22 April
06:06 pm
Nashville (BNA)
08:51 pm
Seattle (SEA)
04h 45min
Boeing 737MAX
Boeing 737MAX
Landed - On-time