ANA vuelo NH 7262: Los Angeles - San Francisco

Seleccione fecha de vuelo:
HORARIO DE VUELOS
Vuelos directos de código compartido:
Jue-Sab 07:00 Los Angeles (LAX) 7 08:28 San Francisco (SFO) 3
NH 7262 Non-stop Boeing 737-800 (738) 1:28 Effective 2025-03-06 through 2025-03-08
Codeshare flight, operated by United Airlines.(UA 2037)
Lun-Mie,Vie-Dom 17:55 Los Angeles (LAX) 7 19:20 San Francisco (SFO) 3
NH 7262 Non-stop Boeing 737-900 (739) 1:25 Effective 2025-03-29 through 2025-04-04
Codeshare flight, operated by United Airlines.(UA 564)
Lun-Mie,Sab,Dom 17:55 Los Angeles (LAX) 7 19:20 San Francisco (SFO) 3
NH 7262 Non-stop Boeing 737-900 (739) 1:25 Effective 2025-04-06 through 2025-04-15
Codeshare flight, operated by United Airlines.(UA 564)
Lun,Mar,Jue,Sab 17:55 Los Angeles (LAX) 7 19:20 San Francisco (SFO) 3
NH 7262 Non-stop Boeing 737-900 (739) 1:25 Effective 2025-04-17 through 2025-04-22
Codeshare flight, operated by United Airlines.(UA 564)
Lun,Mie-Dom 17:55 Los Angeles (LAX) 7 19:20 San Francisco (SFO) 3
NH 7262 Non-stop Boeing 737-900 (739) 1:25 Effective 2025-04-25 through 2025-05-03
Codeshare flight, operated by United Airlines.(UA 564)
Lun-Jue,Dom 17:55 Los Angeles (LAX) 7 19:20 San Francisco (SFO) 3
NH 7262 Non-stop Boeing 737-900 (739) 1:25 Effective 2025-05-06 through 2025-05-15
Codeshare flight, operated by United Airlines.(UA 564)
Lun-Vie 17:55 Los Angeles (LAX) 7 19:20 San Francisco (SFO) 3
NH 7262 Non-stop Boeing 737-900 (739) 1:25 Effective 2025-05-16 through 2025-05-22
Codeshare flight, operated by United Airlines.(UA 564)
Lun,Mar,Jue-Dom 17:55 Los Angeles (LAX) 7 19:20 San Francisco (SFO) 3
NH 7262 Non-stop Boeing 737-900 (739) 1:25 Effective 2025-05-24 through 2025-05-30
Codeshare flight, operated by United Airlines.(UA 564)
Lun,Mie,Vie-Dom 17:55 Los Angeles (LAX) 7 19:20 San Francisco (SFO) 3
NH 7262 Non-stop Boeing 737-900 (739) 1:25 Effective 2025-06-01 through 2025-06-07
Codeshare flight, operated by United Airlines.(UA 564)
Lun,Mar,Jue-Dom 17:55 Los Angeles (LAX) 7 19:20 San Francisco (SFO) 3
NH 7262 Non-stop Boeing 737-900 (739) 1:25 Effective 2025-06-09 through 2025-06-15
Codeshare flight, operated by United Airlines.(UA 564)
Mar-Dom 17:55 Los Angeles (LAX) 7 19:20 San Francisco (SFO) 3
NH 7262 Non-stop Boeing 737-900 (739) 1:25 Effective 2025-06-17 through 2025-06-22
Codeshare flight, operated by United Airlines.(UA 564)
Lun-Vie,Dom 18:00 Los Angeles (LAX) 7 19:29 San Francisco (SFO) 3
NH 7262 Non-stop Boeing 737-800 (738) 1:29 Effective 2024-11-03 through 2024-11-27
Codeshare flight, operated by United Airlines.(UA 2320)
Lun,Dom 18:00 Los Angeles (LAX) 7 19:29 San Francisco (SFO) 3
NH 7262 Non-stop Boeing 737-800 (738) 1:29 Effective 2024-12-01 through 2024-12-02
Codeshare flight, operated by United Airlines.(UA 2320)
Sab 18:40 Los Angeles (LAX) 7 20:04 San Francisco (SFO) 3
NH 7262 Non-stop Boeing 737-800 (738) 1:24 Effective 2024-09-28 through 2024-10-19
Codeshare flight, operated by United Airlines.(UA 2289)
Jue,Sab 18:55 Los Angeles (LAX) 7 20:28 San Francisco (SFO) 3
NH 7262 Non-stop Boeing 737-800 (738) 1:33 Effective 2025-04-03 through 2025-04-10
Codeshare flight, operated by United Airlines.(UA 1971)
Mie,Vie 18:55 Los Angeles (LAX) 7 20:28 San Francisco (SFO) 3
NH 7262 Non-stop Boeing 737-800 (738) 1:33 Effective 2025-04-11 through 2025-04-18
Codeshare flight, operated by United Airlines.(UA 1971)
Mie,Jue,Dom 18:55 Los Angeles (LAX) 7 20:28 San Francisco (SFO) 3
NH 7262 Non-stop Boeing 737-800 (738) 1:33 Effective 2025-04-20 through 2025-04-24
Codeshare flight, operated by United Airlines.(UA 1971)
Lun,Mar,Dom 18:55 Los Angeles (LAX) 7 20:28 San Francisco (SFO) 3
NH 7262 Non-stop Boeing 737-800 (738) 1:33 Effective 2025-04-29 through 2025-05-05
Codeshare flight, operated by United Airlines.(UA 1971)
Vie,Sab 18:55 Los Angeles (LAX) 7 20:28 San Francisco (SFO) 3
NH 7262 Non-stop Boeing 737-800 (738) 1:33 Effective 2025-05-09 through 2025-05-10
Codeshare flight, operated by United Airlines.(UA 1971)
Vie-Dom 18:55 Los Angeles (LAX) 7 20:28 San Francisco (SFO) 3
NH 7262 Non-stop Boeing 737-800 (738) 1:33 Effective 2025-05-17 through 2025-05-23
Codeshare flight, operated by United Airlines.(UA 1971)
Mar,Mie,Sab 18:55 Los Angeles (LAX) 7 20:28 San Francisco (SFO) 3
NH 7262 Non-stop Boeing 737-800 (738) 1:33 Effective 2025-05-28 through 2025-06-03
Codeshare flight, operated by United Airlines.(UA 1971)
Mie,Jue,Dom 18:55 Los Angeles (LAX) 7 20:28 San Francisco (SFO) 3
NH 7262 Non-stop Boeing 737-800 (738) 1:33 Effective 2025-06-05 through 2025-06-11
Codeshare flight, operated by United Airlines.(UA 1971)
Lun 18:55 Los Angeles (LAX) 7 20:28 San Francisco (SFO) 3
NH 7262 Non-stop Boeing 737-800 (738) 1:33 Effective 2025-06-16 through 2025-06-23
Codeshare flight, operated by United Airlines.(UA 1971)
Diario 18:55 Los Angeles (LAX) 7 20:28 San Francisco (SFO) 3
NH 7262 Non-stop Boeing 737-800 (738) 1:33 Effective from 2025-06-24
Codeshare flight, operated by United Airlines.(UA 1971)
Diario 19:05 Los Angeles (LAX) 7 20:29 San Francisco (SFO) 3
NH 7262 Non-stop Boeing 737-900 (739) 1:24 Valid until 2024-09-24
Codeshare flight, operated by United Airlines.(UA 564)
Lun-Vie,Dom 19:05 Los Angeles (LAX) 7 20:29 San Francisco (SFO) 3
NH 7262 Non-stop Boeing 737-900 (739) 1:24 Effective 2024-09-26 through 2024-10-25
Codeshare flight, operated by United Airlines.(UA 2289)
Mar 19:20 Los Angeles (LAX) 7 20:54 San Francisco (SFO) 3
NH 7262 Non-stop Boeing 737-900 (739) 1:34 Operates only on 2024-12-24
Codeshare flight, operated by United Airlines.(UA 552)
Diario 21:05 Los Angeles (LAX) 7 22:38 San Francisco (SFO) 3
NH 7262 Non-stop Boeing 737 MAX 9 (7M9) 1:33 Effective 2025-01-07 through 2025-02-12
Codeshare flight, operated by United Airlines.(UA 1875)
Lun,Jue,Dom 21:26 Los Angeles (LAX) 7 23:00 San Francisco (SFO) 3
NH 7262 Non-stop Boeing 737 MAX 9 (7M9) 1:34 Effective 2024-12-19 through 2025-01-06
Codeshare flight, operated by United Airlines.(UA 2027)
Vie 21:26 Los Angeles (LAX) 7 23:00 San Francisco (SFO) 3
NH 7262 Non-stop Boeing 737-800 (738) 1:34 Effective 2024-12-20 through 2025-01-03
Codeshare flight, operated by United Airlines.(UA 2027)
Mie 21:26 Los Angeles (LAX) 7 23:00 San Francisco (SFO) 3
NH 7262 Non-stop Boeing 737-900 (739) 1:34 Operates only on 2025-01-01
Codeshare flight, operated by United Airlines.(UA 2027)
Mie 21:30 Los Angeles (LAX) 7 22:54 San Francisco (SFO) 3
NH 7262 Non-stop Boeing 737-800 (738) 1:24 Operates only on 2024-09-25
Codeshare flight, operated by United Airlines.(UA 2264)
Diario 21:30 Los Angeles (LAX) 7 22:59 San Francisco (SFO) 3
NH 7262 Non-stop Boeing 737-800 (738) 1:29 Effective 2024-10-27 through 2024-11-02
Codeshare flight, operated by United Airlines.(UA 552)
Lun-Vie,Dom 21:30 Los Angeles (LAX) 7 22:59 San Francisco (SFO) 3
NH 7262 Non-stop Boeing 737-800 (738) 1:29 Effective 2024-12-03 through 2024-12-18
Codeshare flight, operated by United Airlines.(UA 552)
Sab 21:30 Los Angeles (LAX) 7 22:59 San Francisco (SFO) 3
NH 7262 Non-stop Airbus A320 (320) 1:29 Effective 2024-12-07 through 2024-12-14
Codeshare flight, operated by United Airlines.(UA 552)
Diario 21:30 Los Angeles (LAX) 7 23:00 San Francisco (SFO) 3
NH 7262 Non-stop Boeing 737-800 (738) 1:30 Effective 2025-03-09 through 2025-03-28
Codeshare flight, operated by United Airlines.(UA 1875)
Jue 22:35 Los Angeles (LAX) 7 00:04 San Francisco (SFO) 3
NH 7262 Non-stop Boeing 737-800 (738) 1:29 Operates only on 2024-11-28
Codeshare flight, operated by United Airlines.(UA 1597)
The flight arrives 1 day after departure.


Comentarios - Descargo de responsabilidad - Privacidad
FlightMapper.net Buscador de vuelos Países Líneas Aéreas
LANGUAGES
ANA vuelo NH 7262:
Los Angeles - San Francisco
Seleccione fecha de vuelo:
HORARIO DE VUELOS
Vuelos directos de código compartido:
ANA NH7262
07:00
Los Angeles (LAX) 7

08:28
San Francisco (SFO) 3
Effective 2025-03-06 through 2025-03-08
Lun
-
Mar
-
Mie
-
Jue
Vie
Sab
Dom
-
Codeshare flight, operated by United Airlines. (UA 2037)
Duration: 1:28, non-stop
Boeing 737-800 (738)
ANA NH7262
17:55
Los Angeles (LAX) 7

19:20
San Francisco (SFO) 3
Effective 2025-03-29 through 2025-04-04
Lun
Mar
Mie
Jue
-
Vie
Sab
Dom
Codeshare flight, operated by United Airlines. (UA 564)
Duration: 1:25, non-stop
Boeing 737-900 (739)
ANA NH7262
17:55
Los Angeles (LAX) 7

19:20
San Francisco (SFO) 3
Effective 2025-04-06 through 2025-04-15
Lun
Mar
Mie
Jue
-
Vie
-
Sab
Dom
Codeshare flight, operated by United Airlines. (UA 564)
Duration: 1:25, non-stop
Boeing 737-900 (739)
ANA NH7262
17:55
Los Angeles (LAX) 7

19:20
San Francisco (SFO) 3
Effective 2025-04-17 through 2025-04-22
Lun
Mar
Mie
-
Jue
Vie
-
Sab
Dom
-
Codeshare flight, operated by United Airlines. (UA 564)
Duration: 1:25, non-stop
Boeing 737-900 (739)
ANA NH7262
17:55
Los Angeles (LAX) 7

19:20
San Francisco (SFO) 3
Effective 2025-04-25 through 2025-05-03
Lun
Mar
-
Mie
Jue
Vie
Sab
Dom
Codeshare flight, operated by United Airlines. (UA 564)
Duration: 1:25, non-stop
Boeing 737-900 (739)
ANA NH7262
17:55
Los Angeles (LAX) 7

19:20
San Francisco (SFO) 3
Effective 2025-05-06 through 2025-05-15
Lun
Mar
Mie
Jue
Vie
-
Sab
-
Dom
Codeshare flight, operated by United Airlines. (UA 564)
Duration: 1:25, non-stop
Boeing 737-900 (739)
ANA NH7262
17:55
Los Angeles (LAX) 7

19:20
San Francisco (SFO) 3
Effective 2025-05-16 through 2025-05-22
Lun
Mar
Mie
Jue
Vie
Sab
-
Dom
-
Codeshare flight, operated by United Airlines. (UA 564)
Duration: 1:25, non-stop
Boeing 737-900 (739)
ANA NH7262
17:55
Los Angeles (LAX) 7

19:20
San Francisco (SFO) 3
Effective 2025-05-24 through 2025-05-30
Lun
Mar
Mie
-
Jue
Vie
Sab
Dom
Codeshare flight, operated by United Airlines. (UA 564)
Duration: 1:25, non-stop
Boeing 737-900 (739)
ANA NH7262
17:55
Los Angeles (LAX) 7

19:20
San Francisco (SFO) 3
Effective 2025-06-01 through 2025-06-07
Lun
Mar
-
Mie
Jue
-
Vie
Sab
Dom
Codeshare flight, operated by United Airlines. (UA 564)
Duration: 1:25, non-stop
Boeing 737-900 (739)
ANA NH7262
17:55
Los Angeles (LAX) 7

19:20
San Francisco (SFO) 3
Effective 2025-06-09 through 2025-06-15
Lun
Mar
Mie
-
Jue
Vie
Sab
Dom
Codeshare flight, operated by United Airlines. (UA 564)
Duration: 1:25, non-stop
Boeing 737-900 (739)
ANA NH7262
17:55
Los Angeles (LAX) 7

19:20
San Francisco (SFO) 3
Effective 2025-06-17 through 2025-06-22
Lun
-
Mar
Mie
Jue
Vie
Sab
Dom
Codeshare flight, operated by United Airlines. (UA 564)
Duration: 1:25, non-stop
Boeing 737-900 (739)
ANA NH7262
18:00
Los Angeles (LAX) 7

19:29
San Francisco (SFO) 3
Effective 2024-11-03 through 2024-11-27
Lun
Mar
Mie
Jue
Vie
Sab
-
Dom
Codeshare flight, operated by United Airlines. (UA 2320)
Duration: 1:29, non-stop
Boeing 737-800 (738)
ANA NH7262
18:00
Los Angeles (LAX) 7

19:29
San Francisco (SFO) 3
Effective 2024-12-01 through 2024-12-02
Lun
Mar
-
Mie
-
Jue
-
Vie
-
Sab
-
Dom
Codeshare flight, operated by United Airlines. (UA 2320)
Duration: 1:29, non-stop
Boeing 737-800 (738)
ANA NH7262
18:40
Los Angeles (LAX) 7

20:04
San Francisco (SFO) 3
Effective 2024-09-28 through 2024-10-19
Lun
-
Mar
-
Mie
-
Jue
-
Vie
-
Sab
Dom
-
Codeshare flight, operated by United Airlines. (UA 2289)
Duration: 1:24, non-stop
Boeing 737-800 (738)
ANA NH7262
18:55
Los Angeles (LAX) 7

20:28
San Francisco (SFO) 3
Effective 2025-04-03 through 2025-04-10
Lun
-
Mar
-
Mie
-
Jue
Vie
-
Sab
Dom
-
Codeshare flight, operated by United Airlines. (UA 1971)
Duration: 1:33, non-stop
Boeing 737-800 (738)
ANA NH7262
18:55
Los Angeles (LAX) 7

20:28
San Francisco (SFO) 3
Effective 2025-04-11 through 2025-04-18
Lun
-
Mar
-
Mie
Jue
-
Vie
Sab
-
Dom
-
Codeshare flight, operated by United Airlines. (UA 1971)
Duration: 1:33, non-stop
Boeing 737-800 (738)
ANA NH7262
18:55
Los Angeles (LAX) 7

20:28
San Francisco (SFO) 3
Effective 2025-04-20 through 2025-04-24
Lun
-
Mar
-
Mie
Jue
Vie
-
Sab
-
Dom
Codeshare flight, operated by United Airlines. (UA 1971)
Duration: 1:33, non-stop
Boeing 737-800 (738)
ANA NH7262
18:55
Los Angeles (LAX) 7

20:28
San Francisco (SFO) 3
Effective 2025-04-29 through 2025-05-05
Lun
Mar
Mie
-
Jue
-
Vie
-
Sab
-
Dom
Codeshare flight, operated by United Airlines. (UA 1971)
Duration: 1:33, non-stop
Boeing 737-800 (738)
ANA NH7262
18:55
Los Angeles (LAX) 7

20:28
San Francisco (SFO) 3
Effective 2025-05-09 through 2025-05-10
Lun
-
Mar
-
Mie
-
Jue
-
Vie
Sab
Dom
-
Codeshare flight, operated by United Airlines. (UA 1971)
Duration: 1:33, non-stop
Boeing 737-800 (738)
ANA NH7262
18:55
Los Angeles (LAX) 7

20:28
San Francisco (SFO) 3
Effective 2025-05-17 through 2025-05-23
Lun
-
Mar
-
Mie
-
Jue
-
Vie
Sab
Dom
Codeshare flight, operated by United Airlines. (UA 1971)
Duration: 1:33, non-stop
Boeing 737-800 (738)
ANA NH7262
18:55
Los Angeles (LAX) 7

20:28
San Francisco (SFO) 3
Effective 2025-05-28 through 2025-06-03
Lun
-
Mar
Mie
Jue
-
Vie
-
Sab
Dom
-
Codeshare flight, operated by United Airlines. (UA 1971)
Duration: 1:33, non-stop
Boeing 737-800 (738)
ANA NH7262
18:55
Los Angeles (LAX) 7

20:28
San Francisco (SFO) 3
Effective 2025-06-05 through 2025-06-11
Lun
-
Mar
-
Mie
Jue
Vie
-
Sab
-
Dom
Codeshare flight, operated by United Airlines. (UA 1971)
Duration: 1:33, non-stop
Boeing 737-800 (738)
ANA NH7262
18:55
Los Angeles (LAX) 7

20:28
San Francisco (SFO) 3
Effective 2025-06-16 through 2025-06-23
Lun
Mar
-
Mie
-
Jue
-
Vie
-
Sab
-
Dom
-
Codeshare flight, operated by United Airlines. (UA 1971)
Duration: 1:33, non-stop
Boeing 737-800 (738)
ANA NH7262
18:55
Los Angeles (LAX) 7

20:28
San Francisco (SFO) 3
Effective from 2025-06-24
Lun
Mar
Mie
Jue
Vie
Sab
Dom
Codeshare flight, operated by United Airlines. (UA 1971)
Duration: 1:33, non-stop
Boeing 737-800 (738)
ANA NH7262
19:05
Los Angeles (LAX) 7

20:29
San Francisco (SFO) 3
Valid until 2024-09-24
Lun
Mar
Mie
Jue
Vie
Sab
Dom
Codeshare flight, operated by United Airlines. (UA 564)
Duration: 1:24, non-stop
Boeing 737-900 (739)
ANA NH7262
19:05
Los Angeles (LAX) 7

20:29
San Francisco (SFO) 3
Effective 2024-09-26 through 2024-10-25
Lun
Mar
Mie
Jue
Vie
Sab
-
Dom
Codeshare flight, operated by United Airlines. (UA 2289)
Duration: 1:24, non-stop
Boeing 737-900 (739)
ANA NH7262
19:20
Los Angeles (LAX) 7

20:54
San Francisco (SFO) 3
Operates only on 2024-12-24
Lun
-
Mar
Mie
-
Jue
-
Vie
-
Sab
-
Dom
-
Codeshare flight, operated by United Airlines. (UA 552)
Duration: 1:34, non-stop
Boeing 737-900 (739)
ANA NH7262
21:05
Los Angeles (LAX) 7

22:38
San Francisco (SFO) 3
Effective 2025-01-07 through 2025-02-12
Lun
Mar
Mie
Jue
Vie
Sab
Dom
Codeshare flight, operated by United Airlines. (UA 1875)
Duration: 1:33, non-stop
Boeing 737 MAX 9 (7M9)
ANA NH7262
21:26
Los Angeles (LAX) 7

23:00
San Francisco (SFO) 3
Effective 2024-12-19 through 2025-01-06
Lun
Mar
-
Mie
-
Jue
Vie
-
Sab
-
Dom
Codeshare flight, operated by United Airlines. (UA 2027)
Duration: 1:34, non-stop
Boeing 737 MAX 9 (7M9)
ANA NH7262
21:26
Los Angeles (LAX) 7

23:00
San Francisco (SFO) 3
Effective 2024-12-20 through 2025-01-03
Lun
-
Mar
-
Mie
-
Jue
-
Vie
Sab
-
Dom
-
Codeshare flight, operated by United Airlines. (UA 2027)
Duration: 1:34, non-stop
Boeing 737-800 (738)
ANA NH7262
21:26
Los Angeles (LAX) 7

23:00
San Francisco (SFO) 3
Operates only on 2025-01-01
Lun
-
Mar
-
Mie
Jue
-
Vie
-
Sab
-
Dom
-
Codeshare flight, operated by United Airlines. (UA 2027)
Duration: 1:34, non-stop
Boeing 737-900 (739)
ANA NH7262
21:30
Los Angeles (LAX) 7

22:54
San Francisco (SFO) 3
Operates only on 2024-09-25
Lun
-
Mar
-
Mie
Jue
-
Vie
-
Sab
-
Dom
-
Codeshare flight, operated by United Airlines. (UA 2264)
Duration: 1:24, non-stop
Boeing 737-800 (738)
ANA NH7262
21:30
Los Angeles (LAX) 7

22:59
San Francisco (SFO) 3
Effective 2024-10-27 through 2024-11-02
Lun
Mar
Mie
Jue
Vie
Sab
Dom
Codeshare flight, operated by United Airlines. (UA 552)
Duration: 1:29, non-stop
Boeing 737-800 (738)
ANA NH7262
21:30
Los Angeles (LAX) 7

22:59
San Francisco (SFO) 3
Effective 2024-12-03 through 2024-12-18
Lun
Mar
Mie
Jue
Vie
Sab
-
Dom
Codeshare flight, operated by United Airlines. (UA 552)
Duration: 1:29, non-stop
Boeing 737-800 (738)
ANA NH7262
21:30
Los Angeles (LAX) 7

22:59
San Francisco (SFO) 3
Effective 2024-12-07 through 2024-12-14
Lun
-
Mar
-
Mie
-
Jue
-
Vie
-
Sab
Dom
-
Codeshare flight, operated by United Airlines. (UA 552)
Duration: 1:29, non-stop
Airbus A320 (320)
ANA NH7262
21:30
Los Angeles (LAX) 7

23:00
San Francisco (SFO) 3
Effective 2025-03-09 through 2025-03-28
Lun
Mar
Mie
Jue
Vie
Sab
Dom
Codeshare flight, operated by United Airlines. (UA 1875)
Duration: 1:30, non-stop
Boeing 737-800 (738)
ANA NH7262
22:35
Los Angeles (LAX) 7

00:04(+1)
San Francisco (SFO) 3
Operates only on 2024-11-28
Lun
-
Mar
-
Mie
-
Jue
Vie
-
Sab
-
Dom
-
Codeshare flight, operated by United Airlines. (UA 1597)
Duration: 1:29, non-stop
Boeing 737-800 (738)
The flight arrives 1 day after departure.
  • NH 7262 es un vuelo nacional saliendo desde el aeropuerto Los Angeles (LAX) y llegando al aeropuerto San Francisco (SFO).
  • El vuelo tiene una distancia de 337 millas, o 543 km.
  • La zona horaria tanto del aeropuerto de salida como del de llegada es UTC-8 . La hora actual en ambos aeropuertos es (loading...).
  • Para vuelos directos, el tiempo de vuelo oscila entre 1:24 y 1:34.
Todos los vuelos de ANA
Todos LAX-SFO vuelos
Vuelos de regreso (SFO-LAX)
Comentarios     -     Descargo de responsabilidad     -     Privacidad