Southwest Airlines WN4121 Flight Status : Live Tracking & Updates

Domestic flight Southwest Airlines WN4121 takes off from San Diego (SAN) United States to Seattle (SEA) United States. It's operated by Southwest Airlines. The plane leaves San Diego International Airport at 10:55 America/Los_Angeles. The flight is expected to land at Seattle International Airport at 14:00 America/Los_Angeles. The flight will last about 3 hours 5 minutes.

WN4121 - SWA4121 Southwest Airlines (WN)
SAN San Diego United States
Flight SAN to SEA
SEA Seattle United States
Contact Airlines It may not operate on the date requested
Departure San Diego International Airport
IATA: SANICAO: KSAN
Scheduled 10:55
1 None
Arrival Seattle International Airport
IATA: SEAICAO: KSEA
Scheduled 14:00
None None
WN4121 Detail
  • Type: Domestic Flight
  • Flight Duration: 3 hours 5 minutes
  • Flight Distance: 1690 kms / 1050 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-KRHV1
  • Departure Timezone: America/Los_Angeles
  • Arrival Timezone: America/Los_Angeles
  • Current Time in San Diego: Friday 2026-05-08 01:13 AM
  • Current Time in Seattle: Friday 2026-05-08 01:13 AM

Southwest Airlines WN4121 Flight Statistics

Southwest Airlines
Southwest Airlines
FLIGHT NO WN4121
AIRPLANE Boeing 737-700 Passenger (Scimitar Winglets)
ON TIME 7
DELAYED 3
CANCELLED 0
ON TIME 7
DELAYED 3
CANCELLED 0
ON TIME 7
DELAYED 3
CANCELLED 0
ON TIME 25
DELAYED 10
CANCELLED 0
Last 14 days flight data
14 30 60 90
On Time Rate

Southwest Airlines WN4121 Flight Schedule and Histories

Time Departure Arrival Actual departure Actual arrival
Mon 23 Mar
Scheduled On time
San Diego (SAN) 2026-03-23T10:55
Seattle (SEA) 2026-03-23T14:00
Tue 17 Mar
Departed Delayed by 1h 5m
San Diego (SAN) 2026-03-17T12:40
Seattle (SEA) 2026-03-17T13:55
2026-03-17T14:02
Sun 01 Mar
Departed On time
San Diego (SAN) 2026-03-01T17:40
Seattle (SEA) 2026-03-01T20:10
2026-03-01T17:43
Sat 14 Feb
Scheduled On time
San Diego (SAN) 2026-02-14T16:40
Seattle (SEA) 2026-02-14T19:15
Sun 01 Feb
Departed On time
San Diego (SAN) 2026-02-01T20:45
Seattle (SEA) 2026-02-01T22:25
2026-02-01T20:42
Sun 28 Dec
Departed On time
San Diego (SAN) 2025-12-28T21:05
Seattle (SEA) 2025-12-29T00:10
2025-12-28T21:06
Fri 26 Dec
Scheduled On time
San Diego (SAN) 2025-12-26T21:05
Seattle (SEA) 2025-12-27T00:10
Thu 20 Nov
Scheduled On time
San Diego (SAN) 2025-11-20T18:40
Seattle (SEA) 2025-11-20T21:45
Wed 19 Nov
Scheduled On time
San Diego (SAN) 2025-11-19T18:40
Seattle (SEA) 2025-11-19T21:45
Tue 18 Nov
Scheduled On time
San Diego (SAN) 2025-11-18T18:40
Seattle (SEA) 2025-11-18T21:45

Flight routes similar to Southwest Airlines WN4121

Airline Flight no Departure Arrival
Alaska Airlines AS574
Alaska Airlines 		08/05/2026
19:35 		3 hours 18 minutes
22:53
Delta DL2613
Delta 		08/05/2026
19:10 		2 hours 57 minutes
22:24
Korean Air KE3081
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19:10 		3 hours 14 minutes
22:24
Japan Airlines JL6337
Japan Airlines 		08/05/2026
07:15 		3 hours 19 minutes
10:26
Virgin Atlantic VS1925
Virgin Atlantic 		08/05/2026
19:10 		3 hours 14 minutes
22:24
Virgin Atlantic VS4634
Virgin Atlantic 		08/05/2026
13:37 		3 hours 32 minutes
16:44
Jambojet JX7009
Jambojet 		08/05/2026
18:34 		3 hours 11 minutes
21:45
Air France AF2338
Air France 		08/05/2026
13:37 		3 hours 32 minutes
16:44

Southwest Airlines Flight WN4121 FAQs

What is the scheduled flight duration for Southwest Airlines WN4121 flight?

On average, nonstop flight takes 3 hour(s) 5 minutes, with the flight distance of 1690 km (1050 miles).

What type of aircraft is used for the Southwest Airlines WN4121 flight?

All Southwest Airlines WN4121 flights are operated using Boeing 737-700 Passenger (Scimitar Winglets) aircraft.

How many Southwest Airlines WN4121 flights are operated a week?

7 flights per week. The Flight Southwest Airlines WN4121 is operated on Monday, Tuesday, Wednesday, Thursday, Friday, Saturday, Sunday .