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

DL409 Delta Air Lines - Flight Status

Codeshare Flights
The flight WS7361 from WestJet (WS) is a codeshare flight operated by Delta Air Lines (DL) under the flight number DL409. Check this page for details about flight DL409.

Below, you can find details about Delta Air Lines flight DL409, which currently operates between the airports of Seattle - Seattle-Tacoma International Airport (Airport Code SEA) and Atlanta - Atlanta Hartsfield-Jackson International Airport (Airport Code ATL).
This flight data pertains specifically to the flight's details for Sunday, July 05, 2026.

DL409 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

DL409 Delta Air Lines to Atlanta

Scheduled - On-time
Flight Status for Sunday July 05, 2026
This flight is also scheduled for Tomorrow (July 06, 2026). See it here

Airline information

Delta Air Lines
Delta Air Lines
Equipment: Boeing 737-900 Passenger (Scimitar Winglets)

Departure

Seattle (SEA)
July 05, 2026
Seattle-Tacoma International Airport
Estimated Departure Time:
10:58 pm
Gate:
A3
Scheduled Departure Time: 10:58 pm

Arrival

Atlanta (ATL)
July 06, 2026
Atlanta Hartsfield-Jackson International Airport
Estimated Arrival Time:
06:31 am
Terminal:
S
Gate:
B07
Scheduled Arrival Time: 06:45 am
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:

- AM4596 - Aeromexico

- SK3913 - SAS Scandinavian Airlines

- WS7361 - WestJet

Additional Information

Which is the frequency of flight DL409?
The flight DL409 is scheduled to flight on Monday, Tuesday, Wednesday, Thursday, Friday, Sunday on a weekly basis.

Which is the distance of flight DL409?
The distance between the two airports is 2177 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 Seattle: 2026-07-05 02:46:02
Current Time in Atlanta: 2026-07-05 05:46:02

Alternative Flights

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

Alaska Airlines
- Flight Number: AS334. (On Time performance: 80 - Average Delay: 7 minutes)
- Flight Number: AS464. (On Time performance: 96 - Average Delay: 2 minutes)
- Flight Number: AS492. (On Time performance: 80 - Average Delay: 8 minutes)
- Flight Number: AS727. (On Time performance: 84 - Average Delay: 3 minutes)

Delta Air Lines
- Flight Number: DL542. (On Time performance: 79 - Average Delay: 22 minutes)
- Flight Number: DL554. (On Time performance: 75 - Average Delay: 16 minutes)
- Flight Number: DL560. (On Time performance: 86 - Average Delay: 7 minutes)
- Flight Number: DL562. (On Time performance: 80 - Average Delay: 32 minutes)
- Flight Number: DL567. (On Time performance: 87 - Average Delay: 27 minutes)
- Flight Number: DL569. (On Time performance: 98 - Average Delay: 1 minutes)
- Flight Number: DL652. (On Time performance: 92 - Average Delay: 14 minutes)
- Flight Number: DL797. (On Time performance: 73 - Average Delay: 43 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 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 DL409

Date
Departure
Arrival
Duration
Aircraft
Status
Saturday
04 July
10:53 pm
Seattle (SEA)
06:32 am
Atlanta (ATL)
04h 39min
Boeing 737-900
Boeing 737-900
Landed - On-time
Friday
03 July
11:46 pm
Seattle (SEA)
07:24 am
Atlanta (ATL)
04h 38min
Boeing 737-900
Boeing 737-900
Landed - Delayed
Thursday
02 July
10:53 pm
Seattle (SEA)
06:40 am
Atlanta (ATL)
04h 47min
Boeing 737-900
Boeing 737-900
Landed - On-time
Wednesday
01 July
10:56 pm
Seattle (SEA)
06:40 am
Atlanta (ATL)
04h 44min
Boeing 737-900
Boeing 737-900
Landed - On-time
Tuesday
30 June
10:57 pm
Seattle (SEA)
06:45 am
Atlanta (ATL)
04h 48min
Boeing 737-900
Boeing 737-900
Landed - On-time