| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Aug 09 | ATL | SEA | 20:03 | 21:59 |
Landed
|
Track > |
| Aug 06 | ATL | SEA | 19:59 | 21:57 |
Landed
|
Track > |
| Aug 05 | ATL | SEA | 19:55 | 21:54 |
Landed
|
Track > |
| Aug 03 | ATL | SEA | 20:40 | 22:33 |
Landed Late
|
Track > |
| Aug 02 | ATL | SEA | 19:58 | 21:57 |
Landed
|
Track > |
| Aug 01 | ATL | SEA | 21:56 | 23:49 |
Delayed
|
Track > |
| Jul 31 | ATL | SEA | 19:50 | 22:18 |
Cancelled
|
Track > |
| Claim > | ||||||
| Jul 30 | ATL | SEA | 20:48 | 22:35 |
Landed
|
Track > |
| Jul 29 | ATL | SEA | 21:39 | 00:19 |
Delayed
|
Track > |
| Jul 28 | ATL | SEA | 20:03 | 21:42 |
Landed
|
Track > |
Delta Air Lines Flight DL623 connects Atlanta, United States to Seattle, United States, taking off from Atlanta Hartsfield-Jackson International Airport ATL and landing at Seattle Tacoma International Airport SEA.
How long is the DL623 flight from Atlanta to Seattle?
The average flight time from Atlanta to Seattle is 4 hours and 58 minutes. The flight distance is 3505 km / 2178 miles and the average flight speed is 700 km/h / 435 mph.
What is the On-Time Performance (OTP) of Delta Air Lines Flight DL623 Atlanta to Seattle?
The Airportia On-Time Performance Rating for Delta Air Lines Flight DL623 is 4.7/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight DL623 arriving at?
Flight DL623 arrives at Seattle Tacoma International Airport (SEA) Terminal B.
When was the latest DL623 flight?
The latest flight took off on Sunday, August 10th, 2025 with the flight status being Landed on 21:59.
How else can the flight DL623 be referenced as?
This Delta Air Lines flight can also be referenced as DAL623, DL0623, DL 623, DAL 623.
How often is flight DL623 delayed?
On average, 30% of all DL623 flights are delayed. The average delay is 61 minutes.
Can I get compensation for my delayed or cancelled DL623 flight or baggage issues?
If your DL623 flight was cancelled, delayed, or if you experienced baggage issues such as delayed, damaged, or lost bags, you may be entitled to compensation. Compensation amounts and eligibility depend on various regulations, including EC 261/2004, UK261, CA Montreal Convention, US GoodWill, BR-ANAC, SA-GACA and TK-SHY.
See our DL623 Flight Tracker above for more details.
Flight DL623 is code-shared by 5 airlines using the flight numbers AF2381, AM4021, SK3639, VS2684, WS6546
Other flights departing from Atlanta ATL: DL1684, NK1555, DL3217, NK1755
Other flights arriving at Seattle SEA: AS9679, UA2200, AS3199, AS1110
All flights connecting Atlanta ATL to Seattle SEA.
