Southwest Airlines WN3878 Flight Status : Live Tracking & Updates

Domestic flight Southwest Airlines WN3878 takes off from Phoenix (PHX) United States to Louisville (SDF) United States. It's operated by Southwest Airlines. The plane leaves Phoenix Sky Harbor International Airport at 17:55 25 May 2026 America/Phoenix. The flight is expected to land at Louisville International Airport-Standiford Field at 00:15 26 May 2026 America/New_York. The flight will last about 3 hours 20 minutes.

Current status of WN3878 is Scheduled On time Estimated Depart in 6 hours, 11 minutes

WN3878 - SWA3878 Southwest Airlines (WN)
PHX Phoenix United States
Flight PHX to SDF
SDF Louisville United States
Scheduled On time Estimated Depart in 6 hours, 11 minutes
Departure Phoenix Sky Harbor International Airport
IATA: PHXICAO: KPHX
Scheduled 17:55 25 May 2026
Estimated 17:57 25 May 2026
4 D7
Arrival Louisville International Airport-Standiford Field
IATA: SDFICAO: KSDF
Scheduled 00:15 26 May 2026
Estimated 00:17 26 May 2026
None None
WN3878 Detail
  • Type: Domestic Flight
  • Flight Duration: 3 hours 20 minutes
  • Flight Distance: 2423 kms / 1505 miles
Airline
  • Southwest Airlines
  • IATA: WN
  • ICAO: SWA
  • Operating Days: Monday, Tuesday, Wednesday, Thursday, Friday, Sunday
Passenger Services
  • Service type: Normal passenger
  • Seats: 143
  • Freight capacity: 8.4 tons
  • Passenger classes: Economy, Premium Economy
More Detail
  • Aircraft: Boeing 737MAX 8 Passenger
  • Callsign: F-KCNY3
  • Departure Timezone: America/Phoenix
  • Arrival Timezone: America/New_York
  • Current Time in Phoenix: Monday 2026-05-25 11:46 AM
  • Current Time in Louisville: Monday 2026-05-25 14:46 PM

Flight routes similar to Southwest Airlines WN3878

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UPS 5X2861
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UPS 5X859
UPS 		25/05/2026
02:30 		3 hours 2 minutes
08:40
UPS 5X855
UPS 		25/05/2026
18:30 		0 minutes
00:44
UPS 5X5857
UPS 		25/05/2026
07:20 		1 hours 46 minutes
12:18
ABX Air GB855
ABX Air 		25/05/2026
19:05 		1 hours 47 minutes
00:03

Southwest Airlines Flight WN3878 FAQs

What is the scheduled flight duration for Southwest Airlines WN3878 flight?

On average, nonstop flight takes 3 hour(s) 20 minutes, with the flight distance of 2423 km (1505 miles).

What is the current status of Southwest Airlines WN3878 flight?

The current status of flight Southwest Airlines WN3878 is Scheduled On time.

What type of aircraft is used for the Southwest Airlines WN3878 flight?

All Southwest Airlines WN3878 flights are operated using Boeing 737MAX 8 Passenger aircraft.

How many Southwest Airlines WN3878 flights are operated a week?

6 flights per week. The Flight Southwest Airlines WN3878 is operated on Monday, Tuesday, Wednesday, Thursday, Friday, Sunday.