Southwest Airlines WN3877 Flight Status : Live Tracking & Updates

Domestic flight Southwest Airlines WN3877 takes off from Phoenix (PHX) United States to San Antonio (SAT) United States. It's operated by Southwest Airlines. The plane leaves Phoenix Sky Harbor International Airport at 17:40 07 May 2026 America/Phoenix. The flight is expected to land at San Antonio International Airport at 19:45 07 May 2026 America/Chicago. The flight will last about 2 hours 5 minutes.

Current status of WN3877 is Scheduled Delayed by 38m Estimated Depart in 8 hours, 29 minutes

WN3877 - SWA3877 Southwest Airlines (WN)
PHX Phoenix United States
Flight PHX to SAT
SAT San Antonio United States
Scheduled Delayed by 38m Estimated Depart in 8 hours, 29 minutes
Departure Phoenix Sky Harbor International Airport
IATA: PHXICAO: KPHX
Scheduled 17:40 07 May 2026
Estimated 18:18 07 May 2026
2 D4
Arrival San Antonio International Airport
IATA: SATICAO: KSAT
Scheduled 19:45 07 May 2026
Estimated 20:23 07 May 2026
4 C2
WN3877 Detail
  • Type: Domestic Flight
  • Flight Duration: 2 hours 5 minutes
  • Flight Distance: 1355 kms / 842 miles
Airline
  • Southwest Airlines
  • IATA: WN
  • ICAO: SWA
  • Operating Days: Monday, 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 737MAX 8 Passenger
  • Callsign: F-KMMI2
  • Departure Timezone: America/Phoenix
  • Arrival Timezone: America/Chicago
  • Current Time in Phoenix: Thursday 2026-05-07 09:49 AM
  • Current Time in San Antonio: Thursday 2026-05-07 11:49 AM

Flight routes similar to Southwest Airlines WN3877

Airline Flight no Departure Arrival
Alaska Airlines AS4297
Alaska Airlines 		07/05/2026
12:47 		2 hours 9 minutes
16:56
Southwest Airlines WN962
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17:00
Southwest Airlines WN1221
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14:30 		2 hours 5 minutes
18:35
Southwest Airlines WN934
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08:15 		2 hours 15 minutes
12:30
Alaska Airlines AS6464
Alaska Airlines 		07/05/2026
09:43 		2 hours 17 minutes
14:00
American Airlines AA1767
American Airlines 		07/05/2026
15:30 		1 hours 52 minutes
19:38
American Airlines AA450
American Airlines 		07/05/2026
12:47 		1 hours 52 minutes
16:56
Southwest Airlines WN2511
Southwest Airlines 		07/05/2026
10:20 		2 hours 5 minutes
14:25

Southwest Airlines Flight WN3877 FAQs

What is the scheduled flight duration for Southwest Airlines WN3877 flight?

On average, nonstop flight takes 2 hour(s) 5 minutes, with the flight distance of 1355 km (842 miles).

What is the current status of Southwest Airlines WN3877 flight?

The current status of flight Southwest Airlines WN3877 is Scheduled Delayed by 38m.

What type of aircraft is used for the Southwest Airlines WN3877 flight?

All Southwest Airlines WN3877 flights are operated using Boeing 737MAX 8 Passenger aircraft.

When does the flight Southwest Airlines WN3877 arrive?

Flight Southwest Airlines WN3877 arrives at 19:45.

Which terminal the flight Southwest Airlines WN3877 is arriving at?

Flight Southwest Airlines WN3877 arrives in San Antonio International Airport at Terminal 4.

How many Southwest Airlines WN3877 flights are operated a week?

4 flights per week. The Flight Southwest Airlines WN3877 is operated on Monday, Thursday, Friday, Saturday.