WN121 Southwest Airlines - Flight Status
Below, you can find details about Southwest Airlines flight WN121, which currently operates between the airports of Knoxville - Knoxville McGhee Tyson Airport (Airport Code TYS) and Denver - Denver International Airport (Airport Code DEN).
This flight data pertains specifically to the flight's details for Sunday, May 24, 2026.
Table of contents:
Flight Status Additional Information Alternative Flights Punctuality and delays Last Past Flights WN121
Flight Status Additional Information Alternative Flights Punctuality and delays Last Past Flights WN121
WN121 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
WN121 Southwest Airlines from Knoxville
We only provide flight information for yesterday, today and tomorrow. This flight is not scheduled for this interval of time.
We only provide flight information for yesterday, today and tomorrow. This flight is not scheduled for this interval of time.
Airline information
Southwest Airlines
Departure
Knoxville (TYS)
May 24, 2026
Knoxville McGhee Tyson Airport
Arrival
Denver (DEN)
May 24, 2026
Denver International Airport
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.denver-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 WN121?
The flight WN121 is currently not scheduled at Denver Airport (DEN).
Which is the distance of flight WN121?
The distance between the two airports is 1160 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 Knoxville: 2026-06-14 00:40:04
Current Time in Denver: 2026-06-13 22:40:04
The flight WN121 is currently not scheduled at Denver Airport (DEN).
Which is the distance of flight WN121?
The distance between the two airports is 1160 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 Knoxville: 2026-06-14 00:40:04
Current Time in Denver: 2026-06-13 22:40:04
Alternative Flights
The following airlines serves the same route between Knoxville and Denver:
Frontier Airlines
- Flight Number: F94369. (On Time performance: 81 - Average Delay: 12 minutes)
Allegiant Air
- Flight Number: G43031.
United Airlines
- Flight Number: UA1256. (On Time performance: 90 - Average Delay: 8 minutes)
- Flight Number: UA1588. (On Time performance: 89 - Average Delay: 7 minutes)
- Flight Number: UA720. (On Time performance: 69 - Average Delay: 24 minutes)
Southwest Airlines
- Flight Number: WN1645.
Frontier Airlines
- Flight Number: F94369. (On Time performance: 81 - Average Delay: 12 minutes)
Allegiant Air
- Flight Number: G43031.
United Airlines
- Flight Number: UA1256. (On Time performance: 90 - Average Delay: 8 minutes)
- Flight Number: UA1588. (On Time performance: 89 - Average Delay: 7 minutes)
- Flight Number: UA720. (On Time performance: 69 - Average Delay: 24 minutes)
Southwest Airlines
- Flight Number: WN1645.
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: We have gathered available data from last twelve closed months, spanning from October 02, 2025 to May 24, 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.
Note: We have excluded some months from the graph, since the quantity and quality of the data is not representative enough.
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: We have gathered available data from last twelve closed months, spanning from October 02, 2025 to May 24, 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 WN121
Date
Departure
Arrival
Duration
Aircraft
Status
Sunday
24 May
24 May
05:07 pm
Knoxville (TYS)
Knoxville (TYS)
06:15 pm
Denver (DEN)
Denver (DEN)
03h 08min
Boeing 737-700
Boeing 737-700
Landed - On-time