Southwest Airlines WN3421 Flight Status Today

Domestic flight Southwest Airlines WN3421 takes off from San Diego (SAN) United States to San Francisco (SFO) United States. It's operated by Southwest Airlines. The plane leaves San Diego International Airport at 17:10 23 February 2026 America/Los_Angeles. The flight is expected to land at San Francisco International Airport at 18:50 23 February 2026 America/Los_Angeles. The flight will last about 1 hours 40 minutes.

Current status of WN3421 is Departed On time Estimated Arrival in 37 minutes

WN3421 - SWA3421 Southwest Airlines (WN)
SAN San Diego United States
Flight SAN to SFO
SFO San Francisco United States
Departed On time Estimated Arrival in 37 minutes
Departure San Diego International Airport
IATA: SANICAO: KSAN
Scheduled 17:10 23 February 2026
Actual 17:14 23 February 2026
1 None
Arrival San Francisco International Airport
IATA: SFOICAO: KSFO
Scheduled 18:50 23 February 2026
Estimated 18:40 23 February 2026
2 D4
WN3421 Detail
  • Type: Domestic Flight
  • Flight Duration: 1 hours 40 minutes
  • Flight Distance: 719 kms / 447 miles
Airline
  • Southwest Airlines
  • IATA: WN
  • ICAO: SWA
  • Operating Days: Tuesday, Wednesday, Thursday, Friday, Saturday
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-KMRB1
  • Departure Timezone: America/Los_Angeles
  • Arrival Timezone: America/Los_Angeles
  • Current Time in San Diego: Monday 2026-02-23 18:03 PM
  • Current Time in San Francisco: Monday 2026-02-23 18:03 PM

Flight routes similar to Southwest Airlines WN3421

Airline Flight no Departure Arrival
Southwest Airlines WN4007
Southwest Airlines 		23/02/2026
16:00 		1 hours 25 minutes
17:40
United Airlines UA2117
United Airlines 		23/02/2026
16:00 		1 hours 47 minutes
17:47
United Airlines UA2309
United Airlines 		23/02/2026
09:54 		1 hours 24 minutes
11:44
Virgin Australia VA8437
Virgin Australia 		23/02/2026
07:45 		1 hours 46 minutes
09:35
SkyWest Airlines OO3264
SkyWest Airlines 		23/02/2026
20:59 		1 hours 48 minutes
22:47
American Airlines AA9335
American Airlines 		23/02/2026
14:52 		1 hours 44 minutes
16:36
Japan Airlines JL5461
Japan Airlines 		23/02/2026
08:00 		1 hours 55 minutes
09:55
Alaska Airlines AS3376
Alaska Airlines 		23/02/2026
22:09 		1 hours 50 minutes
23:59

Southwest Airlines Flight WN3421 FAQs

What is the scheduled flight duration for Southwest Airlines WN3421 flight?

On average, nonstop flight takes 1 hour(s) 40 minutes, with the flight distance of 719 km (447 miles).

What is the current status of Southwest Airlines WN3421 flight?

The current status of flight Southwest Airlines WN3421 is Departed On time.

What type of aircraft is used for the Southwest Airlines WN3421 flight?

All Southwest Airlines WN3421 flights are operated using Boeing 737-700 Passenger (Scimitar Winglets) aircraft.

When does the flight Southwest Airlines WN3421 arrive?

Flight Southwest Airlines WN3421 arrives at 18:50.

Which terminal the flight Southwest Airlines WN3421 is arriving at?

Flight Southwest Airlines WN3421 arrives in San Francisco International Airport at Terminal 2.

How many Southwest Airlines WN3421 flights are operated a week?

5 flights per week. The Flight Southwest Airlines WN3421 is operated on Tuesday, Wednesday, Thursday, Friday, Saturday.