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

DL2543 Delta Air Lines - Flight Status

Codeshare Flights
The flight WS8091 from WestJet (WS) is a codeshare flight operated by Delta Air Lines (DL) under the flight number DL2543. Check this page for details about flight DL2543.

Below, you can find details about Delta Air Lines flight DL2543, which currently operates between the airports of Seattle - Seattle-Tacoma International Airport (Airport Code SEA) and Denver - Denver International Airport (Airport Code DEN).
This flight data pertains specifically to the flight's details for Monday, July 06, 2026.

DL2543 On Time performance:
46
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

DL2543 Delta Air Lines to Denver

Scheduled
Flight Status for Monday July 06, 2026
This flight was also scheduled for Yesterday (July 04, 2026). See it here
This flight is also scheduled for Today (July 05, 2026). See it here

Airline information

Delta Air Lines
Delta Air Lines
Equipment: Airbus A220-300 Passenger

Departure

Seattle (SEA)
July 06, 2026
Seattle-Tacoma International Airport
Scheduled Departure Time:
01:50 pm
Gate:
-
Scheduled Departure Time: 01:50 pm

Arrival

Denver (DEN)
July 06, 2026
Denver International Airport
Scheduled Arrival Time:
05:46 pm
Terminal:
-
Gate:
-
Scheduled Arrival Time: 05:46 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:

- AF6811 - Air France

- KE3013 - Korean Air

- KL7354 - KLM Royal Dutch Airlines

- WS8091 - WestJet

Additional Information

Which is the frequency of flight DL2543?
The flight DL2543 is scheduled to flight on daily basis.

Which is the distance of flight DL2543?
The distance between the two airports is 1022 miles.

Which is the flight time of flight DL2543?
The scheduled flight time gate to gate is: 02:56 hours.
The real flight time gate to gate on average is: 02:54 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 Seattle: 2026-07-05 02:47:50
Current Time in Denver: 2026-07-05 03:47:50

Alternative Flights

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

Alaska Airlines
- Flight Number: AS1332. (On Time performance: 83 - Average Delay: 9 minutes)
- Flight Number: AS242. (On Time performance: 74 - Average Delay: 13 minutes)
- Flight Number: AS310. (On Time performance: 57 - Average Delay: 18 minutes)
- Flight Number: AS375. (On Time performance: 91 - Average Delay: 7 minutes)
- Flight Number: AS535. (On Time performance: 86 - Average Delay: 8 minutes)
- Flight Number: AS602. (On Time performance: 83 - Average Delay: 6 minutes)
- Flight Number: AS642. (On Time performance: 92 - Average Delay: 3 minutes)
- Flight Number: AS682. (On Time performance: 93 - Average Delay: 4 minutes)
- Flight Number: AS786. (On Time performance: 90 - Average Delay: 6 minutes)

Air Transport International
- Flight Number: 8C3397. (On Time performance: 22 - Average Delay: 45 minutes)

Delta Air Lines
- Flight Number: DL1358. (On Time performance: 86 - Average Delay: 8 minutes)
- Flight Number: DL2851. (On Time performance: 76 - Average Delay: 13 minutes)

Frontier Airlines
- Flight Number: F91176. (On Time performance: 80 - Average Delay: 16 minutes)
- Flight Number: F93406. (On Time performance: 78 - Average Delay: 10 minutes)

United Airlines
- Flight Number: UA1218. (On Time performance: 83 - Average Delay: 10 minutes)
- Flight Number: UA1351. (On Time performance: 92 - Average Delay: 5 minutes)
- Flight Number: UA1505. (On Time performance: 92 - Average Delay: 7 minutes)
- Flight Number: UA1715. (On Time performance: 89 - Average Delay: 9 minutes)
- Flight Number: UA1915. (On Time performance: 100 - Average Delay: 0 minutes)
- Flight Number: UA2601. (On Time performance: 95 - Average Delay: 1 minutes)
- Flight Number: UA325. (On Time performance: 56 - Average Delay: 26 minutes)
- Flight Number: UA333. (On Time performance: 71 - Average Delay: 8 minutes)
- Flight Number: UA655. (On Time performance: 70 - Average Delay: 15 minutes)
- Flight Number: UA757. (On Time performance: 85 - Average Delay: 7 minutes)

Southwest Airlines
- Flight Number: WN1049. (On Time performance: 25 - Average Delay: 34 minutes)
- Flight Number: WN1166.
- Flight Number: WN2328.
- Flight Number: WN2720. (On Time performance: 25 - Average Delay: 55 minutes)
- Flight Number: WN3397. (On Time performance: 69 - Average Delay: 14 minutes)
- Flight Number: WN3615. (On Time performance: 97 - Average Delay: 8 minutes)
- Flight Number: WN3616. (On Time performance: 31 - Average Delay: 79 minutes)
- Flight Number: WN3617. (On Time performance: 10 - Average Delay: 50 minutes)
- Flight Number: WN4845. (On Time performance: 19 - Average Delay: 43 minutes)
- Flight Number: WN4920. (On Time performance: 88 - Average Delay: 4 minutes)

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 June 07, 2026 to July 02, 2026, we have obtained these figures.
Total number of flights: 26
On Time: 12 ( 46 % )
Moderate Delay: 8 ( 31 % )
Significant Delay: 3 ( 12 % )
Major Delay: 3 ( 12 % )
Canceled: 0 ( 0 % )
Diverted: 0 ( 0 % )

Average Delay: 31 minutes.
Delays analyzed by Weekday: We have gathered available data from last six months, spanning from June 07, 2026 to July 02, 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.

Note: We have excluded some days from the graph, since the quantity and quality of the data is not representative enough.

Delays analyzed by Month: We have gathered available data from last twelve closed months, spanning from June 07, 2026 to June 30, 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.

Last Past Flights DL2543

Date
Departure
Arrival
Duration
Aircraft
Status
Saturday
04 July
01:48 pm
Seattle (SEA)
05:40 pm
Denver (DEN)
02h 52min
Boeing 737-800
Boeing 737-800
Landed - On-time
Friday
03 July
02:31 pm
Seattle (SEA)
06:30 pm
Denver (DEN)
02h 59min
Airbus A220-30
Airbus A220-30
Landed - Delayed
Thursday
02 July
02:07 pm
Seattle (SEA)
06:05 pm
Denver (DEN)
02h 58min
Airbus A220-30
Airbus A220-30
Landed - Delayed
Wednesday
01 July
01:54 pm
Seattle (SEA)
06:10 pm
Denver (DEN)
03h 16min
Airbus A220-30
Airbus A220-30
Landed - Delayed
Tuesday
30 June
03:54 pm
Seattle (SEA)
07:48 pm
Denver (DEN)
02h 54min
Airbus A220-30
Airbus A220-30
Landed - Delayed
Monday
29 June
02:07 pm
Seattle (SEA)
06:16 pm
Denver (DEN)
03h 09min
Boeing 737-800
Boeing 737-800
Landed - Delayed
Sunday
28 June
02:04 pm
Seattle (SEA)
06:13 pm
Denver (DEN)
03h 09min
Airbus A220-30
Airbus A220-30
Landed - Delayed
Saturday
27 June
01:53 pm
Seattle (SEA)
06:02 pm
Denver (DEN)
03h 09min
Airbus A220-30
Airbus A220-30
Landed - Delayed
Friday
26 June
01:49 pm
Seattle (SEA)
05:56 pm
Denver (DEN)
03h 07min
Airbus A220-30
Airbus A220-30
Landed - On-time
Thursday
25 June
04:03 pm
Seattle (SEA)
07:52 pm
Denver (DEN)
02h 49min
Airbus A220-30
Airbus A220-30
Landed - Delayed