WN3959 Southwest Airlines - Flight Status
Below, you can find details about Southwest Airlines flight WN3959, which currently operates between the airports of Denver - Denver International Airport (Airport Code DEN) and Ontario - Ontario International Airport (Airport Code ONT).
This flight data pertains specifically to the flight's details for Sunday, August 30, 2026.
Table of contents:
Flight Status Additional Information Alternative Flights Punctuality and delays Last Past Flights WN3959
Flight Status Additional Information Alternative Flights Punctuality and delays Last Past Flights WN3959
WN3959 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
WN3959 Southwest Airlines from Denver
This flight is not scheduled for August 30, 2026.
This flight is not scheduled for August 30, 2026.
Airline information
Southwest Airlines
Departure
Denver (DEN)
August 22, 2026
Denver International Airport
Arrival
Ontario (ONT)
August 22, 2026
Ontario International Airport
Disclaimer
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Additional Information
Which is the frequency of flight WN3959?
The flight WN3959 is currently not scheduled at Ontario Airport (ONT).
Which is the distance of flight WN3959?
The distance between the two airports is 817 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 Denver: 2026-08-30 06:52:35
Current Time in Ontario: 2026-08-30 05:52:35
The flight WN3959 is currently not scheduled at Ontario Airport (ONT).
Which is the distance of flight WN3959?
The distance between the two airports is 817 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 Denver: 2026-08-30 06:52:35
Current Time in Ontario: 2026-08-30 05:52:35
Alternative Flights
The following airlines serves the same route between Denver and Ontario:
UPS
- Flight Number: 5X2805. (On Time performance: 98 - Average Delay: 2 minutes)
- Flight Number: 5X805. (On Time performance: 79 - Average Delay: 15 minutes)
- Flight Number: 5X9802. (On Time performance: 82 - Average Delay: 8 minutes)
Frontier Airlines
- Flight Number: F91261. (On Time performance: 60 - Average Delay: 25 minutes)
- Flight Number: F92907. (On Time performance: 93 - Average Delay: 4 minutes)
United Airlines
- Flight Number: UA2028. (On Time performance: 56 - Average Delay: 40 minutes)
- Flight Number: UA430. (On Time performance: 86 - Average Delay: 10 minutes)
Southwest Airlines
- Flight Number: WN1596. (On Time performance: 95 - Average Delay: 3 minutes)
- Flight Number: WN1598. (On Time performance: 13 - Average Delay: 70 minutes)
- Flight Number: WN2050. (On Time performance: 80 - Average Delay: 6 minutes)
- Flight Number: WN3775.
- Flight Number: WN4341.
- Flight Number: WN4773. (On Time performance: 30 - Average Delay: 115 minutes)
- Flight Number: WN4794. (On Time performance: 91 - Average Delay: 7 minutes)
UPS
- Flight Number: 5X2805. (On Time performance: 98 - Average Delay: 2 minutes)
- Flight Number: 5X805. (On Time performance: 79 - Average Delay: 15 minutes)
- Flight Number: 5X9802. (On Time performance: 82 - Average Delay: 8 minutes)
Frontier Airlines
- Flight Number: F91261. (On Time performance: 60 - Average Delay: 25 minutes)
- Flight Number: F92907. (On Time performance: 93 - Average Delay: 4 minutes)
United Airlines
- Flight Number: UA2028. (On Time performance: 56 - Average Delay: 40 minutes)
- Flight Number: UA430. (On Time performance: 86 - Average Delay: 10 minutes)
Southwest Airlines
- Flight Number: WN1596. (On Time performance: 95 - Average Delay: 3 minutes)
- Flight Number: WN1598. (On Time performance: 13 - Average Delay: 70 minutes)
- Flight Number: WN2050. (On Time performance: 80 - Average Delay: 6 minutes)
- Flight Number: WN3775.
- Flight Number: WN4341.
- Flight Number: WN4773. (On Time performance: 30 - Average Delay: 115 minutes)
- Flight Number: WN4794. (On Time performance: 91 - Average Delay: 7 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
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 WN3959
Date
Departure
Arrival
Duration
Aircraft
Status
Saturday
29 August
29 August
03:29 pm
Denver (DEN)
Denver (DEN)
04:42 pm
Ontario (ONT)
Ontario (ONT)
02h 13min
Boeing 737-700
Boeing 737-700
Landed - Delayed
Saturday
22 August
22 August
03:48 pm
Denver (DEN)
Denver (DEN)
05:27 pm
Ontario (ONT)
Ontario (ONT)
02h 39min
Boeing 737-700
Boeing 737-700
Landed - Delayed
Saturday
15 August
15 August
03:56 pm
Denver (DEN)
Denver (DEN)
05:09 pm
Ontario (ONT)
Ontario (ONT)
02h 13min
Boeing 737-700
Boeing 737-700
Landed - Delayed
Saturday
08 August
08 August
03:07 pm
Denver (DEN)
Denver (DEN)
04:11 pm
Ontario (ONT)
Ontario (ONT)
02h 04min
Boeing 737-700
Boeing 737-700
Landed - On-time