WN3878 Southwest Airlines - Flight Status
Below, you can find details about Southwest Airlines flight WN3878, which currently operates between the airports of Phoenix - Phoenix Sky Harbor International Airport (Airport Code PHX) and Louisville - Louisville Muhammad Ali International Airport (Airport Code SDF).
This flight data pertains specifically to the flight's details for Friday, April 10, 2026.
Table of contents:
Flight Status Additional Information Alternative Flights Punctuality and delays Last Past Flights WN3878
Flight Status Additional Information Alternative Flights Punctuality and delays Last Past Flights WN3878
WN3878 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
WN3878 Southwest Airlines to Louisville
Scheduled
Flight Status for Friday April 10, 2026
This flight was also scheduled for Yesterday (April 09, 2026). See it here
Scheduled
Flight Status for Friday April 10, 2026
Airline information
Southwest Airlines
Equipment: Boeing 737MAX 8 Passenger
Departure
Phoenix (PHX)
April 10, 2026
Phoenix Sky Harbor International Airport
Scheduled Departure Time:
05:55 pm
Terminal:
4
Gate:
C12
Scheduled Departure Time: 05:55 pm
Arrival
Louisville (SDF)
April 11, 2026
Louisville Muhammad Ali International Airport
Scheduled Arrival Time:
12:15 am
Terminal:
-
Gate:
-
Scheduled Arrival Time: 12:15 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.phoenix-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 WN3878?
The flight WN3878 is scheduled to flight on Tuesday, Wednesday, Thursday, Friday on a weekly basis.
Which is the distance of flight WN3878?
The distance between the two airports is 1503 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 Phoenix: 2026-04-10 04:41:49
Current Time in Louisville: 2026-04-10 07:41:49
The flight WN3878 is scheduled to flight on Tuesday, Wednesday, Thursday, Friday on a weekly basis.
Which is the distance of flight WN3878?
The distance between the two airports is 1503 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 Phoenix: 2026-04-10 04:41:49
Current Time in Louisville: 2026-04-10 07:41:49
Alternative Flights
The following airlines serves the same route between Phoenix and Louisville:
UPS
- Flight Number: 5X2861. (On Time performance: 89 - Average Delay: 3 minutes)
- Flight Number: 5X2865. (On Time performance: 83 - Average Delay: 8 minutes)
- Flight Number: 5X5861. (On Time performance: 96 - Average Delay: 2 minutes)
- Flight Number: 5X5863. (On Time performance: 85 - Average Delay: 6 minutes)
- Flight Number: 5X5911. (On Time performance: 92 - Average Delay: 2 minutes)
- Flight Number: 5X5917. (On Time performance: 83 - Average Delay: 4 minutes)
- Flight Number: 5X855. (On Time performance: 86 - Average Delay: 13 minutes)
- Flight Number: 5X859. (On Time performance: 100 - Average Delay: 0 minutes)
- Flight Number: 5X869. (On Time performance: 78 - Average Delay: 12 minutes)
Southwest Airlines
- Flight Number: WN1650. (On Time performance: 70 - Average Delay: 17 minutes)
- Flight Number: WN2475. (On Time performance: 60 - Average Delay: 10 minutes)
UPS
- Flight Number: 5X2861. (On Time performance: 89 - Average Delay: 3 minutes)
- Flight Number: 5X2865. (On Time performance: 83 - Average Delay: 8 minutes)
- Flight Number: 5X5861. (On Time performance: 96 - Average Delay: 2 minutes)
- Flight Number: 5X5863. (On Time performance: 85 - Average Delay: 6 minutes)
- Flight Number: 5X5911. (On Time performance: 92 - Average Delay: 2 minutes)
- Flight Number: 5X5917. (On Time performance: 83 - Average Delay: 4 minutes)
- Flight Number: 5X855. (On Time performance: 86 - Average Delay: 13 minutes)
- Flight Number: 5X859. (On Time performance: 100 - Average Delay: 0 minutes)
- Flight Number: 5X869. (On Time performance: 78 - Average Delay: 12 minutes)
Southwest Airlines
- Flight Number: WN1650. (On Time performance: 70 - Average Delay: 17 minutes)
- Flight Number: WN2475. (On Time performance: 60 - Average Delay: 10 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: We have gathered available data from last twelve closed months, spanning from April 02, 2025 to April 07, 2025. Next, you can observe the results broken down by month: number of flights analyzed, on-time performance per month, and average delay per month.
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 April 02, 2025 to April 07, 2025. 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 WN3878
Date
Departure
Arrival
Duration
Aircraft
Status
Friday
10 April
10 April
06:26 pm
Phoenix (PHX)
Phoenix (PHX)
12:45 am
Louisville (SDF)
Louisville (SDF)
03h 19min
Boeing 737MAX
Boeing 737MAX
Landed - Delayed
Wednesday
08 April
08 April
04:03 pm
Phoenix (PHX)
Phoenix (PHX)
10:20 pm
Louisville (SDF)
Louisville (SDF)
03h 17min
Boeing 737MAX
Boeing 737MAX
Landed - On-time
Tuesday
07 April
07 April
04:16 pm
Phoenix (PHX)
Phoenix (PHX)
10:40 pm
Louisville (SDF)
Louisville (SDF)
03h 24min
Boeing 737MAX
Boeing 737MAX
Landed - On-time