Seattle Airport Informational Guide to Seattle–Tacoma Airport - Seatac (SEA) - NON OFFICIAL

Delta Air Lines - Seattle Tacoma Airport - SEATAC (SEA)

Delta Air Lines
On Time performance:
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


Seattle - Tacoma Airport has a main terminal building (with Concourses A, B, C, D), along with two satellite terminal buildings (North Satellite and South Satellite). This two satellite terminal buildings, are connected with the main terminal building by an underground people mover system.

Check your arriving flight here
Check your departing flight here

Arrivals and Departures

Follow the links below in order to see all the flights scheduled for Delta Air Lines

- Delta Air Lines Arrivals
- Delta Air Lines Departures


In order to check in for your flight at Seattle Tacoma Airport - SEATAC (SEA), go to departures hall in the main building terminal, or follow the instructions provided in your ticket.

General Information and contact

- IATA Code: DL
- Website:


This airline operate some flights, but other flights are codeshare flights operated by the following airlines

- AeroMexico
- Korean Air
- WestJet
- Virgin Atlantic
- Air France

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 December 01, 2023 to February 29, 2024, we have obtained these figures.
Total number of flights: 12031
On Time: 10407 ( 87 % )
Moderate Delay: 527 ( 4 % )
Significant Delay: 403 ( 3 % )
Major Delay: 584 ( 5 % )
Canceled: 78 ( 1 % )
Diverted: 32 ( 0 % )

Average Delay: 12 minutes.
Delays analyzed by Weekday: We have gathered available data from last six months, spanning from September 01, 2023 to February 29, 2024. 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 February 01, 2023 to January 31, 2024. Next, you can observe the results broken down by month: number of flights analyzed, on-time performance per month, and average delay per month.

Destinations Served

Delta Air Lines currently serves a variety of destinations from Seattle Tacoma Airport:To see the destinations and their flight frequency, please select the country.


											- Vancouver (YVR): Daily

											- Shanghai (PVG): Daily

											- Paris (CDG): Daily

											- Tokyo (HND): Daily
Korea (Republic of)

											- Seoul (ICN): Daily

											- Cancun (CUN): Daily
- Puerto Vallarta (PVR): Daily
- San Jose Cabo (SJD): Daily

											- Amsterdam (AMS): Daily
United Kingdom

											- London (LHR): Monday, Wednesday, Friday, Sunday
United States of America

											- Anchorage (ANC): Daily
- Atlanta (ATL): Daily
- Austin (AUS): Daily
- Boise (BOI): Daily
- Boston (BOS): Daily
- Chicago (ORD): Daily
- Cincinnati (CVG): Daily
- Denver (DEN): Daily
- Detroit (DTW): Daily
- Dulles (IAD): Daily
- Eugene (EUG): Daily
- Fairbanks (FAI): Daily
- Fort Lauderdale (FLL): Daily
- Honolulu (HNL): Daily
- Kahului (OGG): Daily
- Kailua-Kona (KOA): Daily
- Kansas City (MCI): Daily
- Kauai Island (LIH): Daily
- Las Vegas (LAS): Daily
- Lewiston (LWS): Daily
- Los Angeles (LAX): Daily
- Medford (MFR): Daily
- Minneapolis (MSP): Daily
- Nashville (BNA): Daily
- New York (JFK): Daily
- Ontario (ONT): Daily
- Orlando (MCO): Daily
- Palm Springs (PSP): Daily
- Pasco (PSC): Daily
- Phoenix (PHX): Daily
- Portland (PDX): Daily
- Raleigh/Durham (RDU): Daily
- Redmond (RDM): Daily
- Sacramento (SMF): Daily
- Salt Lake City (SLC): Daily
- San Diego (SAN): Daily
- San Francisco (SFO): Daily
- San Jose (SJC): Daily
- Santa Ana (SNA): Daily
- Spokane (GEG): Daily
- Tampa (TPA): Monday, Wednesday, Thursday, Friday, Saturday, Sunday
- Tucson (TUS): Daily

The information provided above does not include details about seasonal flights that are not currently being served at this moment, which means that only the flights currently in operation are covered in the information provided.