LATAM Airlines flight LA 8421: Multiple routes

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Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Tue-Thu,Sat 16:00 San Martin los Andes (CPC) 18:00 Buenos Aires Jorge Newbery Airfield (AEP)
LA 8421 Non-stop Boeing 737-800 (738) 2:00 Effective from 2026-02-03
Codeshare flight, operated by Aerolineas Argentinas.(AR 1659)
Sun 16:20 San Martin los Andes (CPC) 18:20 Buenos Aires Jorge Newbery Airfield (AEP)
LA 8421 Non-stop Boeing 737-700 (73R) 2:00 Effective 2026-02-01 through 2026-02-22
Codeshare flight, operated by Aerolineas Argentinas.(AR 1659)
Wed 16:45 San Martin los Andes (CPC) 18:45 Buenos Aires Jorge Newbery Airfield (AEP)
LA 8421 Non-stop Boeing 737-800 (738) 2:00 Effective 2025-07-02 through 2025-07-30
Codeshare flight, operated by Aerolineas Argentinas.(AR 1659)
Mon 16:55 San Martin los Andes (CPC) 18:55 Buenos Aires Jorge Newbery Airfield (AEP)
LA 8421 Non-stop Boeing 737-800 (738) 2:00 Effective 2025-07-07 through 2025-07-28
Codeshare flight, operated by Aerolineas Argentinas.(AR 1659)
Mon 16:55 San Martin los Andes (CPC) 18:55 Buenos Aires Jorge Newbery Airfield (AEP)
LA 8421 Non-stop Boeing 737-800 (738) 2:00 Effective 2025-09-01 through 2026-01-26
Codeshare flight, operated by Aerolineas Argentinas.(AR 1659)
Sun 17:05 San Martin los Andes (CPC) 19:05 Buenos Aires Jorge Newbery Airfield (AEP)
LA 8421 Non-stop Boeing 737-800 (738) 2:00 Effective 2025-07-06 through 2025-07-27
Codeshare flight, operated by Aerolineas Argentinas.(AR 1659)
Sun 17:05 San Martin los Andes (CPC) 19:05 Buenos Aires Jorge Newbery Airfield (AEP)
LA 8421 Non-stop Boeing 737-800 (738) 2:00 Effective 2025-09-07 through 2026-01-25
Codeshare flight, operated by Aerolineas Argentinas.(AR 1659)
Tue 17:55 San Martin los Andes (CPC) 19:55 Buenos Aires Jorge Newbery Airfield (AEP)
LA 8421 Non-stop Boeing 737-800 (738) 2:00 Effective 2025-07-01 through 2025-07-29
Codeshare flight, operated by Aerolineas Argentinas.(AR 1659)
Tue,Sun 17:55 San Martin los Andes (CPC) 19:55 Buenos Aires Jorge Newbery Airfield (AEP)
LA 8421 Non-stop Boeing 737-800 (738) 2:00 Effective 2025-08-03 through 2025-08-31
Codeshare flight, operated by Aerolineas Argentinas.(AR 1659)
Fri 18:15 San Martin los Andes (CPC) 20:15 Buenos Aires Jorge Newbery Airfield (AEP)
LA 8421 Non-stop Boeing 737-800 (738) 2:00 Effective 2025-07-04 through 2026-01-30
Codeshare flight, operated by Aerolineas Argentinas.(AR 1659)
Fri 18:25 Posadas (PSS) 20:05 Buenos Aires Jorge Newbery Airfield (AEP)
LA 8421 Non-stop Boeing 737-800 (738) 1:40 Valid until 2025-05-02
Codeshare flight, operated by Aerolineas Argentinas.(AR 1769)
Fri 18:25 Posadas (PSS) 20:05 Buenos Aires Jorge Newbery Airfield (AEP)
LA 8421 Non-stop Boeing 737-800 (738) 1:40 Operates only on 2025-05-23
Codeshare flight, operated by Aerolineas Argentinas.(AR 1769)
Fri 18:25 Posadas (PSS) 20:05 Buenos Aires Jorge Newbery Airfield (AEP)
LA 8421 Non-stop Boeing 737-800 (738) 1:40 Effective 2025-06-06 through 2025-06-27
Codeshare flight, operated by Aerolineas Argentinas.(AR 1769)
Fri 18:25 Posadas (PSS) 20:05 Buenos Aires Jorge Newbery Airfield (AEP)
LA 8421 Non-stop Embraer EMB 190 / EMB 195 (E90) 1:40 Effective 2026-02-06 through 2026-02-27
Codeshare flight, operated by Aerolineas Argentinas.(AR 1769)
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This flight number is listed as serving the following routes:


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LATAM Airlines flight LA 8421: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
LATAM Airlines LA8421
16:00
San Martin los Andes (CPC)

18:00
Buenos Aires Jorge Newbery Airfield (AEP)
Effective from 2026-02-03
Mon
-
Tue
Wed
Thu
Fri
-
Sat
Sun
-
Codeshare flight, operated by Aerolineas Argentinas. (AR 1659)
Duration: 2:00, non-stop
Boeing 737-800 (738)
LATAM Airlines LA8421
16:20
San Martin los Andes (CPC)

18:20
Buenos Aires Jorge Newbery Airfield (AEP)
Effective 2026-02-01 through 2026-02-22
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by Aerolineas Argentinas. (AR 1659)
Duration: 2:00, non-stop
Boeing 737-700 (73R)
LATAM Airlines LA8421
16:45
San Martin los Andes (CPC)

18:45
Buenos Aires Jorge Newbery Airfield (AEP)
Effective 2025-07-02 through 2025-07-30
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Aerolineas Argentinas. (AR 1659)
Duration: 2:00, non-stop
Boeing 737-800 (738)
LATAM Airlines LA8421
16:55
San Martin los Andes (CPC)

18:55
Buenos Aires Jorge Newbery Airfield (AEP)
Effective 2025-07-07 through 2025-07-28
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Aerolineas Argentinas. (AR 1659)
Duration: 2:00, non-stop
Boeing 737-800 (738)
LATAM Airlines LA8421
16:55
San Martin los Andes (CPC)

18:55
Buenos Aires Jorge Newbery Airfield (AEP)
Effective 2025-09-01 through 2026-01-26
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Aerolineas Argentinas. (AR 1659)
Duration: 2:00, non-stop
Boeing 737-800 (738)
LATAM Airlines LA8421
17:05
San Martin los Andes (CPC)

19:05
Buenos Aires Jorge Newbery Airfield (AEP)
Effective 2025-07-06 through 2025-07-27
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by Aerolineas Argentinas. (AR 1659)
Duration: 2:00, non-stop
Boeing 737-800 (738)
LATAM Airlines LA8421
17:05
San Martin los Andes (CPC)

19:05
Buenos Aires Jorge Newbery Airfield (AEP)
Effective 2025-09-07 through 2026-01-25
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by Aerolineas Argentinas. (AR 1659)
Duration: 2:00, non-stop
Boeing 737-800 (738)
LATAM Airlines LA8421
17:55
San Martin los Andes (CPC)

19:55
Buenos Aires Jorge Newbery Airfield (AEP)
Effective 2025-07-01 through 2025-07-29
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Aerolineas Argentinas. (AR 1659)
Duration: 2:00, non-stop
Boeing 737-800 (738)
LATAM Airlines LA8421
17:55
San Martin los Andes (CPC)

19:55
Buenos Aires Jorge Newbery Airfield (AEP)
Effective 2025-08-03 through 2025-08-31
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by Aerolineas Argentinas. (AR 1659)
Duration: 2:00, non-stop
Boeing 737-800 (738)
LATAM Airlines LA8421
18:15
San Martin los Andes (CPC)

20:15
Buenos Aires Jorge Newbery Airfield (AEP)
Effective 2025-07-04 through 2026-01-30
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Codeshare flight, operated by Aerolineas Argentinas. (AR 1659)
Duration: 2:00, non-stop
Boeing 737-800 (738)
LATAM Airlines LA8421
18:25
Posadas (PSS)

20:05
Buenos Aires Jorge Newbery Airfield (AEP)
Valid until 2025-05-02
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Codeshare flight, operated by Aerolineas Argentinas. (AR 1769)
Duration: 1:40, non-stop
Boeing 737-800 (738)
LATAM Airlines LA8421
18:25
Posadas (PSS)

20:05
Buenos Aires Jorge Newbery Airfield (AEP)
Operates only on 2025-05-23
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Codeshare flight, operated by Aerolineas Argentinas. (AR 1769)
Duration: 1:40, non-stop
Boeing 737-800 (738)
LATAM Airlines LA8421
18:25
Posadas (PSS)

20:05
Buenos Aires Jorge Newbery Airfield (AEP)
Effective 2025-06-06 through 2025-06-27
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Codeshare flight, operated by Aerolineas Argentinas. (AR 1769)
Duration: 1:40, non-stop
Boeing 737-800 (738)
LATAM Airlines LA8421
18:25
Posadas (PSS)

20:05
Buenos Aires Jorge Newbery Airfield (AEP)
Effective 2026-02-06 through 2026-02-27
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Codeshare flight, operated by Aerolineas Argentinas. (AR 1769)
Duration: 1:40, non-stop
Embraer EMB 190 / EMB 195 (E90)
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Parallax here -
This flight number is listed as serving the following routes:
  • Posadas (PSS) - Buenos Aires Jorge Newbery Airfield (AEP)
  • San Martin los Andes (CPC) - Buenos Aires Jorge Newbery Airfield (AEP)
All LATAM Airlines flights
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