Southwest Airlines WN4020 Flight Status Today

Domestic flight Southwest Airlines WN4020 takes off from San Francisco (SFO) United States to Phoenix (PHX) United States. It's operated by Southwest Airlines. The plane leaves San Francisco International Airport at 05:00 America/Los_Angeles. The flight is expected to land at Phoenix Sky Harbor International Airport at 07:55 America/Phoenix. The flight will last about 1 hours 39 minutes.

WN4020 - SWA4020 Southwest Airlines (WN)
SFO San Francisco United States
Flight SFO to PHX
PHX Phoenix United States
Contact Airlines It may not operate on the date requested
Departure San Francisco International Airport
IATA: SFOICAO: KSFO
Scheduled 05:00
2 D6
Arrival Phoenix Sky Harbor International Airport
IATA: PHXICAO: KPHX
Scheduled 07:55
4 D2
WN4020 Detail
  • Type: Domestic Flight
  • Flight Duration: 1 hours 39 minutes
  • Flight Distance: 1049 kms / 652 miles
Airline
  • Southwest Airlines
  • IATA: WN
  • ICAO: SWA
  • Operating Days: Monday, Tuesday, Wednesday, Thursday, Friday, Saturday, Sunday
Passenger Services
  • Service type: Normal passenger
  • Seats: 143
  • Freight capacity: 8.4 tons
  • Passenger classes: Economy, Premium Economy
More Detail
  • Aircraft: Boeing 737-700 Passenger (Scimitar Winglets)
  • Callsign: F-KALB2
  • Departure Timezone: America/Los_Angeles
  • Arrival Timezone: America/Phoenix
  • Current Time in San Francisco: Tuesday 2026-03-03 08:26 AM
  • Current Time in Phoenix: Tuesday 2026-03-03 09:26 AM

Southwest Airlines WN4020 Flight Statistics

Southwest Airlines
Southwest Airlines
FLIGHT NO WN4020
AIRPLANE Boeing 737-700 Passenger (Scimitar Winglets)
ON TIME 14
DELAYED 0
CANCELLED 0
ON TIME 19
DELAYED 0
CANCELLED 0
ON TIME 21
DELAYED 3
CANCELLED 1
ON TIME 21
DELAYED 3
CANCELLED 1
Last 14 days flight data
14 30 60 90
On Time Rate

Southwest Airlines WN4020 Flight Schedule and Histories

Time Departure Arrival Actual departure Actual arrival
Sat 28 Feb
Arrived On time
San Francisco (SFO) 2026-02-28T05:00
Phoenix (PHX) 2026-02-28T07:55
2026-02-28T04:57
2026-02-28T07:36
Sun 22 Feb
Arrived On time
San Francisco (SFO) 2026-02-22T05:15
Phoenix (PHX) 2026-02-22T08:10
2026-02-22T05:06
2026-02-22T07:56
Sat 22 Nov
Scheduled On time
San Francisco (SFO) 2025-11-22T14:30
Phoenix (PHX) 2025-11-22T16:00
Sun 19 Oct
Arrived On time
San Francisco (SFO) 2025-10-19T12:20
Phoenix (PHX) 2025-10-19T13:45
2025-10-19T12:22
2025-10-19T13:48
Mon 04 Aug
Arrived On time
San Francisco (SFO) 2025-08-04T14:10
Phoenix (PHX) 2025-08-04T19:30
2025-08-04T14:15
2025-08-04T19:21
Tue 22 Jul
Scheduled Delayed by 4h 29m
San Francisco (SFO) 2025-07-22T18:10
Phoenix (PHX) 2025-07-22T23:35
Mon 21 Jul
Arrived On time
San Francisco (SFO) 2025-07-21T14:10
Phoenix (PHX) 2025-07-21T19:30
2025-07-21T14:16
2025-07-21T19:30
Sun 06 Jul
Scheduled On time
San Francisco (SFO) 2025-07-06T13:55
Phoenix (PHX) 2025-07-06T19:15
Fri 27 Jun
Scheduled On time
San Francisco (SFO) 2025-06-27T14:10
Phoenix (PHX) 2025-06-27T19:30
Thu 27 Mar
Departed On time
San Francisco (SFO) 2025-03-27T18:15
Phoenix (PHX) 2025-03-27T21:40
2025-03-27T18:12

Flight routes similar to Southwest Airlines WN4020

Airline Flight no Departure Arrival
Lufthansa LH9366
Lufthansa 		03/03/2026
18:45 		2 hours 5 minutes
21:50
Southwest Airlines WN4021
Southwest Airlines 		03/03/2026
05:05 		1 hours 55 minutes
08:00
United Airlines UA2369
United Airlines 		03/03/2026
18:45 		2 hours 5 minutes
21:50
Emirates EK6376
Emirates 		03/03/2026
16:23 		2 hours 3 minutes
19:26
Alaska Airlines AS2341
Alaska Airlines 		03/03/2026
16:11 		2 hours 3 minutes
19:10
Virgin Australia VA8411
Virgin Australia 		03/03/2026
16:23 		1 hours 59 minutes
19:26
Southwest Airlines WN4022
Southwest Airlines 		03/03/2026
14:45 		1 hours 56 minutes
17:40
American Airlines AA2114
American Airlines 		03/03/2026
12:46 		1 hours 55 minutes
15:49

Southwest Airlines Flight WN4020 FAQs

What is the scheduled flight duration for Southwest Airlines WN4020 flight?

On average, nonstop flight takes 1 hour(s) 39 minutes, with the flight distance of 1049 km (652 miles).

What type of aircraft is used for the Southwest Airlines WN4020 flight?

All Southwest Airlines WN4020 flights are operated using Boeing 737-700 Passenger (Scimitar Winglets) aircraft.

Which terminal the flight Southwest Airlines WN4020 is arriving at?

Flight Southwest Airlines WN4020 arrives in Phoenix Sky Harbor International Airport at Terminal 4.

How many Southwest Airlines WN4020 flights are operated a week?

7 flights per week. The Flight Southwest Airlines WN4020 is operated on Monday, Tuesday, Wednesday, Thursday, Friday, Saturday, Sunday .