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

WN3873 Southwest Airlines - Flight Status

Below, you can find details about Southwest Airlines flight WN3873, 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 Friday, April 18, 2025.

WN3873 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

WN3873 Southwest Airlines to Denver

Landed - Delayed
Delay: 96 minutes
Flight Status for Friday April 18, 2025
This flight is also scheduled for Today (April 19, 2025). See it here
This flight is also scheduled for Tomorrow (April 20, 2025). See it here

Airline information

Southwest Airlines
Southwest Airlines
Equipment: Boeing 737-800 (Scimitar Winglets) Passenger

Departure

Seattle (SEA)
April 18, 2025
Seattle-Tacoma International Airport
Departed at:
09:00 am
Gate:
B12
Scheduled Departure Time: 07:20 am

Arrival

Denver (DEN)
April 18, 2025
Denver International Airport
Arrived at:
12:51 pm
Terminal:
-
Gate:
C61
Scheduled Arrival Time: 11:15 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.

Additional Information

Which is the frequency of flight WN3873?
The flight WN3873 is scheduled to flight on daily basis.

Which is the distance of flight WN3873?
The distance between the two airports is 1022 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: 2025-04-19 05:13:45
Current Time in Denver: 2025-04-19 06:13:45

Alternative Flights

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

Alaska Airlines
- Flight Number: AS602. (On Time performance: 67 - Average Delay: 19 minutes)
- Flight Number: AS620. (On Time performance: 65 - Average Delay: 13 minutes)
- Flight Number: AS622.
- Flight Number: AS642. (On Time performance: 74 - Average Delay: 18 minutes)
- Flight Number: AS682. (On Time performance: 86 - Average Delay: 9 minutes)

Air Transport International
- Flight Number: 8C3347. (On Time performance: 38 - Average Delay: 30 minutes)
- Flight Number: 8C3412. (On Time performance: 48 - Average Delay: 22 minutes)

Delta Air Lines
- Flight Number: DL2030.
- Flight Number: DL2740. (On Time performance: 97 - Average Delay: 1 minutes)
- Flight Number: DL2851. (On Time performance: 78 - Average Delay: 19 minutes)
- Flight Number: DL3681. (On Time performance: 76 - Average Delay: 13 minutes)

Frontier Airlines
- Flight Number: F93406. (On Time performance: 69 - Average Delay: 36 minutes)

United Airlines
- Flight Number: UA1218. (On Time performance: 94 - Average Delay: 3 minutes)
- Flight Number: UA2269. (On Time performance: 96 - Average Delay: 2 minutes)
- Flight Number: UA597. (On Time performance: 97 - Average Delay: 2 minutes)
- Flight Number: UA645. (On Time performance: 88 - Average Delay: 3 minutes)
- Flight Number: UA726. (On Time performance: 90 - Average Delay: 5 minutes)
- Flight Number: UA757. (On Time performance: 84 - Average Delay: 9 minutes)

Southwest Airlines
- Flight Number: WN1305. (On Time performance: 86 - Average Delay: 4 minutes)
- Flight Number: WN2396. (On Time performance: 47 - Average Delay: 41 minutes)
- Flight Number: WN2940.
- Flight Number: WN3228. (On Time performance: 88 - Average Delay: 9 minutes)
- Flight Number: WN3429.
- Flight Number: WN443.
- Flight Number: WN489. (On Time performance: 85 - Average Delay: 6 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 WN3873

Date
Departure
Arrival
Duration
Aircraft
Status
Friday
18 April
09:00 am
Seattle (SEA)
12:51 pm
Denver (DEN)
02h 51min
Boeing 737-800
Boeing 737-800
Landed - Delayed
Thursday
17 April
07:17 am
Seattle (SEA)
11:00 am
Denver (DEN)
02h 43min
Boeing 737MAX
Boeing 737MAX
Landed - On-time
Wednesday
16 April
02:54 pm
Seattle (SEA)
06:26 pm
Denver (DEN)
02h 32min
Boeing 737-800
Boeing 737-800
Landed - On-time
Tuesday
15 April
02:44 pm
Seattle (SEA)
06:21 pm
Denver (DEN)
02h 37min
Boeing 737-800
Boeing 737-800
Landed - On-time
Monday
14 April
07:16 am
Seattle (SEA)
10:52 am
Denver (DEN)
02h 36min
Boeing 737MAX
Boeing 737MAX
Landed - On-time
Sunday
13 April
05:40 pm
Seattle (SEA)
09:07 pm
Denver (DEN)
02h 27min
Boeing 737-800
Boeing 737-800
Landed - On-time
Saturday
12 April
09:07 am
Seattle (SEA)
12:34 pm
Denver (DEN)
02h 27min
Boeing 737MAX
Boeing 737MAX
Landed - On-time
Friday
11 April
07:16 am
Seattle (SEA)
11:01 am
Denver (DEN)
02h 45min
Boeing 737-800
Boeing 737-800
Landed - On-time
Thursday
10 April
07:19 am
Seattle (SEA)
10:53 am
Denver (DEN)
02h 34min
Boeing 737-800
Boeing 737-800
Landed - On-time
Wednesday
09 April
02:49 pm
Seattle (SEA)
06:37 pm
Denver (DEN)
02h 48min
Boeing 737-800
Boeing 737-800
Landed - On-time