WN420 Southwest Airlines - Flight Status
Below, you can find details about Southwest Airlines flight WN420, which currently operates between the airports of Saint Louis - St Louis Lambert International Airport (Airport Code STL) and Philadelphia - Philadelphia International Airport (Airport Code PHL).
This flight data pertains specifically to the flight's details for Sunday, November 16, 2025.
Table of contents:
Flight Status Additional Information Alternative Flights Punctuality and delays Last Past Flights WN420
Flight Status Additional Information Alternative Flights Punctuality and delays Last Past Flights WN420
WN420 On Time performance:
100
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
WN420 Southwest Airlines to Philadelphia
This flight is not scheduled for November 16, 2025.
This flight is not scheduled for November 16, 2025.
Airline information
Southwest Airlines
Departure
Saint Louis (STL)
November 12, 2025
St Louis Lambert International Airport
Arrival
Philadelphia (PHL)
November 12, 2025
Philadelphia 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.saint-louis-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 WN420?
The flight WN420 is scheduled to flight on Monday, Tuesday, Wednesday, Friday on a weekly basis.
Which is the distance of flight WN420?
The distance between the two airports is 812 miles.
Which is the flight time of flight WN420?
The scheduled flight time gate to gate is: 02:10 hours.
The real flight time gate to gate on average is: 01:59 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 Saint Louis: 2025-11-16 18:27:03
Current Time in Philadelphia: 2025-11-16 19:27:03
The flight WN420 is scheduled to flight on Monday, Tuesday, Wednesday, Friday on a weekly basis.
Which is the distance of flight WN420?
The distance between the two airports is 812 miles.
Which is the flight time of flight WN420?
The scheduled flight time gate to gate is: 02:10 hours.
The real flight time gate to gate on average is: 01:59 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 Saint Louis: 2025-11-16 18:27:03
Current Time in Philadelphia: 2025-11-16 19:27:03
Alternative Flights
The following airlines serves the same route between Saint Louis and Philadelphia:
American Airlines
- Flight Number: AA1739. (On Time performance: 83 - Average Delay: 29 minutes)
- Flight Number: AA2275. (On Time performance: 87 - Average Delay: 27 minutes)
- Flight Number: AA2912. (On Time performance: 96 - Average Delay: 93 minutes)
- Flight Number: AA3049. (On Time performance: 65 - Average Delay: 51 minutes)
- Flight Number: AA4796. (On Time performance: 90 - Average Delay: 5 minutes)
- Flight Number: AA5523. (On Time performance: 64 - Average Delay: 26 minutes)
Southwest Airlines
- Flight Number: WN1782. (On Time performance: 83 - Average Delay: 11 minutes)
- Flight Number: WN2334. (On Time performance: 73 - Average Delay: 9 minutes)
- Flight Number: WN4080. (On Time performance: 77 - Average Delay: 6 minutes)
- Flight Number: WN626. (On Time performance: 67 - Average Delay: 12 minutes)
- Flight Number: WN676. (On Time performance: 75 - Average Delay: 9 minutes)
- Flight Number: WN867. (On Time performance: 85 - Average Delay: 8 minutes)
American Airlines
- Flight Number: AA1739. (On Time performance: 83 - Average Delay: 29 minutes)
- Flight Number: AA2275. (On Time performance: 87 - Average Delay: 27 minutes)
- Flight Number: AA2912. (On Time performance: 96 - Average Delay: 93 minutes)
- Flight Number: AA3049. (On Time performance: 65 - Average Delay: 51 minutes)
- Flight Number: AA4796. (On Time performance: 90 - Average Delay: 5 minutes)
- Flight Number: AA5523. (On Time performance: 64 - Average Delay: 26 minutes)
Southwest Airlines
- Flight Number: WN1782. (On Time performance: 83 - Average Delay: 11 minutes)
- Flight Number: WN2334. (On Time performance: 73 - Average Delay: 9 minutes)
- Flight Number: WN4080. (On Time performance: 77 - Average Delay: 6 minutes)
- Flight Number: WN626. (On Time performance: 67 - Average Delay: 12 minutes)
- Flight Number: WN676. (On Time performance: 75 - Average Delay: 9 minutes)
- Flight Number: WN867. (On Time performance: 85 - Average Delay: 8 minutes)
Punctuality and delays
We have gathered data from recent months and present below an analysis of how timely the flights have been.
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
In terms of On-Time Performance, by analyzing the flight data from the last three months, spanning from November 03, 2025 to November 12, 2025, we have obtained these figures.
Total number of flights: 5
On Time: 5 ( 100 % )
Moderate Delay: 0 ( 0 % )
Significant Delay: 0 ( 0 % )
Major Delay: 0 ( 0 % )
Canceled: 0 ( 0 % )
Diverted: 0 ( 0 % )
Average Delay: 0 minutes.
Total number of flights: 5
On Time: 5 ( 100 % )
Moderate Delay: 0 ( 0 % )
Significant Delay: 0 ( 0 % )
Major Delay: 0 ( 0 % )
Canceled: 0 ( 0 % )
Diverted: 0 ( 0 % )
Average Delay: 0 minutes.
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 WN420
Date
Departure
Arrival
Duration
Aircraft
Status
Wednesday
12 November
12 November
08:07 am
Saint Louis (STL)
Saint Louis (STL)
10:59 am
Philadelphia (PHL)
Philadelphia (PHL)
01h 52min
Boeing 737-800
Boeing 737-800
Landed - On-time
Tuesday
11 November
11 November
08:12 am
Saint Louis (STL)
Saint Louis (STL)
11:17 am
Philadelphia (PHL)
Philadelphia (PHL)
02h 05min
Boeing 737-800
Boeing 737-800
Landed - On-time
Wednesday
05 November
05 November
08:15 am
Saint Louis (STL)
Saint Louis (STL)
11:11 am
Philadelphia (PHL)
Philadelphia (PHL)
01h 56min
Boeing 737-800
Boeing 737-800
Landed - On-time
Tuesday
04 November
04 November
08:11 am
Saint Louis (STL)
Saint Louis (STL)
11:12 am
Philadelphia (PHL)
Philadelphia (PHL)
02h 01min
Boeing 737MAX
Boeing 737MAX
Landed - On-time
Monday
03 November
03 November
08:10 am
Saint Louis (STL)
Saint Louis (STL)
11:11 am
Philadelphia (PHL)
Philadelphia (PHL)
02h 01min
Boeing 737-800
Boeing 737-800
Landed - On-time