DL623 Delta Air Lines - Flight Status
Below, you can find details about Delta Air Lines flight DL623, which currently operates between the airports of Atlanta - Atlanta Hartsfield-Jackson International Airport (Airport Code ATL) and Seattle - Seattle-Tacoma International Airport (Airport Code SEA).
This flight data pertains specifically to the flight's details for Wednesday, July 30, 2025.
Table of contents:
Flight Status Codeshare Flights Additional Information Alternative Flights Punctuality and delays Last Past Flights DL623
Flight Status Codeshare Flights Additional Information Alternative Flights Punctuality and delays Last Past Flights DL623
DL623 On Time performance:
65
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
DL623 Delta Air Lines from Atlanta
Scheduled - On-time
Flight Status for Wednesday July 30, 2025
This flight was also scheduled for Yesterday (July 29, 2025). See it here
This flight is also scheduled for Tomorrow (July 31, 2025). See it here
Scheduled - On-time
Flight Status for Wednesday July 30, 2025
Departure
Atlanta (ATL)
July 30, 2025
Atlanta Hartsfield-Jackson International Airport
Estimated Departure Time:
08:30 pm
Terminal:
S
Gate:
A04
Scheduled Departure Time: 08:30 pm
Arrival
Seattle (SEA)
July 30, 2025
Seattle-Tacoma International Airport
Estimated Arrival Time:
10:51 pm
Gate:
B9
Scheduled Arrival Time: 11:01 pm
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:
- AM4021 - Aeromexico
- LA6228 - LATAM Airlines
- SK3283 - SAS Scandinavian Airlines
- VS2684 - Virgin Atlantic
Additional Information
Which is the frequency of flight DL623?
The flight DL623 is scheduled to flight on daily basis.
Which is the distance of flight DL623?
The distance between the two airports is 2177 miles.
Which is the flight time of flight DL623?
The scheduled flight time gate to gate is: 05:31 hours.
The real flight time gate to gate on average is: 05:19 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 Atlanta: 2025-07-30 14:50:10
Current Time in Seattle: 2025-07-30 11:50:10
The flight DL623 is scheduled to flight on daily basis.
Which is the distance of flight DL623?
The distance between the two airports is 2177 miles.
Which is the flight time of flight DL623?
The scheduled flight time gate to gate is: 05:31 hours.
The real flight time gate to gate on average is: 05:19 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 Atlanta: 2025-07-30 14:50:10
Current Time in Seattle: 2025-07-30 11:50:10
Alternative Flights
The following airlines serves the same route between Atlanta and Seattle:
Alaska Airlines
- Flight Number: AS334. (On Time performance: 37 - Average Delay: 41 minutes)
- Flight Number: AS377. (On Time performance: 73 - Average Delay: 13 minutes)
- Flight Number: AS533. (On Time performance: 78 - Average Delay: 8 minutes)
Delta Air Lines
- Flight Number: DL444. (On Time performance: 92 - Average Delay: 4 minutes)
- Flight Number: DL472. (On Time performance: 77 - Average Delay: 11 minutes)
- Flight Number: DL481. (On Time performance: 91 - Average Delay: 7 minutes)
- Flight Number: DL629. (On Time performance: 84 - Average Delay: 7 minutes)
- Flight Number: DL648. (On Time performance: 78 - Average Delay: 25 minutes)
- Flight Number: DL714. (On Time performance: 55 - Average Delay: 24 minutes)
- Flight Number: DL774. (On Time performance: 86 - Average Delay: 5 minutes)
- Flight Number: DL903. (On Time performance: 67 - Average Delay: 23 minutes)
Korean Air
- Flight Number: KE261. (On Time performance: 62 - Average Delay: 22 minutes)
Asiana Airlines
- Flight Number: OZ2473. (On Time performance: 25 - Average Delay: 36 minutes)
Alaska Airlines
- Flight Number: AS334. (On Time performance: 37 - Average Delay: 41 minutes)
- Flight Number: AS377. (On Time performance: 73 - Average Delay: 13 minutes)
- Flight Number: AS533. (On Time performance: 78 - Average Delay: 8 minutes)
Delta Air Lines
- Flight Number: DL444. (On Time performance: 92 - Average Delay: 4 minutes)
- Flight Number: DL472. (On Time performance: 77 - Average Delay: 11 minutes)
- Flight Number: DL481. (On Time performance: 91 - Average Delay: 7 minutes)
- Flight Number: DL629. (On Time performance: 84 - Average Delay: 7 minutes)
- Flight Number: DL648. (On Time performance: 78 - Average Delay: 25 minutes)
- Flight Number: DL714. (On Time performance: 55 - Average Delay: 24 minutes)
- Flight Number: DL774. (On Time performance: 86 - Average Delay: 5 minutes)
- Flight Number: DL903. (On Time performance: 67 - Average Delay: 23 minutes)
Korean Air
- Flight Number: KE261. (On Time performance: 62 - Average Delay: 22 minutes)
Asiana Airlines
- Flight Number: OZ2473. (On Time performance: 25 - Average Delay: 36 minutes)
Punctuality and delays
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 June 08, 2025 to July 26, 2025. 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 08, 2025 to June 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.
In terms of On-Time Performance, by analyzing the flight data from the last three months, spanning from June 08, 2025 to July 26, 2025, we have obtained these figures.
Total number of flights: 49
On Time: 32 ( 65 % )
Moderate Delay: 5 ( 10 % )
Significant Delay: 4 ( 8 % )
Major Delay: 8 ( 16 % )
Canceled: 0 ( 0 % )
Diverted: 0 ( 0 % )
Average Delay: 29 minutes.
Total number of flights: 49
On Time: 32 ( 65 % )
Moderate Delay: 5 ( 10 % )
Significant Delay: 4 ( 8 % )
Major Delay: 8 ( 16 % )
Canceled: 0 ( 0 % )
Diverted: 0 ( 0 % )
Average Delay: 29 minutes.
Last Past Flights DL623
Date
Departure
Arrival
Duration
Aircraft
Status
Tuesday
29 July
29 July
09:23 pm
Atlanta (ATL)
Atlanta (ATL)
12:20 am
Seattle (SEA)
Seattle (SEA)
05h 57min
Boeing 737-900
Boeing 737-900
Landed - Delayed
Monday
28 July
28 July
07:45 pm
Atlanta (ATL)
Atlanta (ATL)
09:57 pm
Seattle (SEA)
Seattle (SEA)
05h 12min
Boeing 737-900
Boeing 737-900
Landed - On-time
Sunday
27 July
27 July
08:30 pm
Atlanta (ATL)
Atlanta (ATL)
10:41 pm
Seattle (SEA)
Seattle (SEA)
05h 11min
Boeing 737-900
Boeing 737-900
Landed - Delayed
Saturday
26 July
26 July
07:47 pm
Atlanta (ATL)
Atlanta (ATL)
10:14 pm
Seattle (SEA)
Seattle (SEA)
05h 27min
Boeing 737-900
Boeing 737-900
Landed - On-time
Friday
25 July
25 July
08:25 pm
Atlanta (ATL)
Atlanta (ATL)
10:34 pm
Seattle (SEA)
Seattle (SEA)
05h 09min
Boeing 737-900
Boeing 737-900
Landed - Delayed
Thursday
24 July
24 July
07:47 pm
Atlanta (ATL)
Atlanta (ATL)
10:14 pm
Seattle (SEA)
Seattle (SEA)
05h 27min
Boeing 737-900
Boeing 737-900
Landed - On-time
Wednesday
23 July
23 July
08:23 pm
Atlanta (ATL)
Atlanta (ATL)
10:43 pm
Seattle (SEA)
Seattle (SEA)
05h 20min
Boeing 737-900
Boeing 737-900
Landed - On-time
Tuesday
22 July
22 July
08:43 pm
Atlanta (ATL)
Atlanta (ATL)
10:34 pm
Seattle (SEA)
Seattle (SEA)
04h 51min
Boeing 737-900
Boeing 737-900
Landed - On-time
Monday
21 July
21 July
08:05 pm
Atlanta (ATL)
Atlanta (ATL)
10:15 pm
Seattle (SEA)
Seattle (SEA)
05h 10min
Boeing 737-900
Boeing 737-900
Landed - On-time
Sunday
20 July
20 July
07:48 pm
Atlanta (ATL)
Atlanta (ATL)
10:09 pm
Seattle (SEA)
Seattle (SEA)
05h 21min
Boeing 737-900
Boeing 737-900
Landed - On-time