Alaska Airlines vols de San Diego (SAN) à Chicago O'Hare (ORD).

HORAIRES DES VOLS
Vols directs:
Tous les jours 08:00 San Diego (SAN) 2 13:54 Chicago O'Hare (ORD) 2 Alaska Airlines AS 1446 Non-stop Boeing 737 (73J) 3:54 Effective from 2026-06-10
Dim 08:05 San Diego (SAN) 2 14:37 Chicago O'Hare (ORD) 2 Alaska Airlines AS 1446 Non-stop Boeing 737 MAX 9 (7M9) 4:32 Valid until 2026-01-04
Lun,Mar,Jeu 08:05 San Diego (SAN) 2 14:37 Chicago O'Hare (ORD) 2 Alaska Airlines AS 1446 Non-stop Boeing 737 (73J) 4:32 Valid until 2026-01-05
Mar,Ven 08:05 San Diego (SAN) 2 14:37 Chicago O'Hare (ORD) 2 Alaska Airlines AS 1446 Non-stop Boeing 737-800 (73H) 4:32 Effective 2026-01-02 through 2026-01-06
Sam 08:25 San Diego (SAN) 2 14:57 Chicago O'Hare (ORD) 2 Alaska Airlines AS 1446 Non-stop Boeing 737 MAX 8 (7M8) 4:32 Operates only on 2026-01-03
Tous les jours 12:45 San Diego (SAN) 2 18:55 Chicago O'Hare (ORD) 2 Alaska Airlines AS 1478 Non-stop Boeing 737 (73J) 4:10 Effective from 2026-03-19
Lun,Mar,Ven,Dim 13:30 San Diego (SAN) 2 20:02 Chicago O'Hare (ORD) 2 Alaska Airlines AS 1478 Non-stop Boeing 737 MAX 9 (7M9) 4:32 Valid until 2026-01-06
Jeu,Sam 13:30 San Diego (SAN) 2 20:02 Chicago O'Hare (ORD) 2 Alaska Airlines AS 1478 Non-stop Boeing 737-800 (73H) 4:32 Valid until 2026-01-03
Tous les jours 17:00 San Diego (SAN) 2 23:10 Chicago O'Hare (ORD) 2 Alaska Airlines AS 1493 Non-stop Boeing 737 (73J) 4:10 Effective 2026-03-18 through 2026-05-12
Tous les jours 17:10 San Diego (SAN) 2 23:37 Chicago O'Hare (ORD) 2 Alaska Airlines AS 1493 Non-stop Boeing 737 (73J) 4:27 Effective 2026-01-07 through 2026-01-13
Mer,Jeu,Dim 17:10 San Diego (SAN) 2 23:37 Chicago O'Hare (ORD) 2 Alaska Airlines AS 1493 Non-stop Boeing 737 MAX 9 (7M9) 4:27 Effective 2026-01-14 through 2026-01-21
Lun,Mar,Jeu-Sam 17:10 San Diego (SAN) 2 23:37 Chicago O'Hare (ORD) 2 Alaska Airlines AS 1493 Non-stop Boeing 737 (73J) 4:27 Effective 2026-01-16 through 2026-01-24
Lun-Mer,Ven-Dim 17:10 San Diego (SAN) 2 23:37 Chicago O'Hare (ORD) 2 Alaska Airlines AS 1493 Non-stop Boeing 737 (73J) 4:27 Effective 2026-01-25 through 2026-01-31
Lun,Mer,Jeu 17:10 San Diego (SAN) 2 23:37 Chicago O'Hare (ORD) 2 Alaska Airlines AS 1493 Non-stop Boeing 737 MAX 9 (7M9) 4:27 Effective 2026-01-29 through 2026-02-04
Dim 17:10 San Diego (SAN) 2 23:37 Chicago O'Hare (ORD) 2 Alaska Airlines AS 1493 Non-stop Boeing 737 MAX 8 (7M8) 4:27 Operates only on 2026-02-01
Lun,Mar,Jeu-Dim 17:10 San Diego (SAN) 2 23:37 Chicago O'Hare (ORD) 2 Alaska Airlines AS 1493 Non-stop Boeing 737 (73J) 4:27 Effective 2026-02-03 through 2026-02-10
Mer 17:10 San Diego (SAN) 2 23:37 Chicago O'Hare (ORD) 2 Alaska Airlines AS 1493 Non-stop Boeing 737 (73J) 4:27 Operates only on 2026-02-11
Lun,Mar,Ven,Dim 17:31 San Diego (SAN) 2 23:59 Chicago O'Hare (ORD) 2 Alaska Airlines AS 1493 Non-stop Boeing 737 (73J) 4:28 Valid until 2026-01-05
Sam 17:31 San Diego (SAN) 2 23:59 Chicago O'Hare (ORD) 2 Alaska Airlines AS 1493 Non-stop Boeing 737 MAX 9 (7M9) 4:28 Operates only on 2026-01-03
Tous les jours 17:42 San Diego (SAN) 2 23:59 Chicago O'Hare (ORD) 2 Alaska Airlines AS 1493 Non-stop Boeing 737 (73J) 4:17 Effective 2026-02-12 through 2026-03-09
Mar,Mer,Sam 17:42 San Diego (SAN) 2 23:59 Chicago O'Hare (ORD) 2 Alaska Airlines AS 1493 Non-stop Boeing 737 MAX 9 (7M9) 4:17 Effective 2026-03-10 through 2026-03-14
Lun,Mar,Jeu,Ven,Dim 17:42 San Diego (SAN) 2 23:59 Chicago O'Hare (ORD) 2 Alaska Airlines AS 1493 Non-stop Boeing 737 (73J) 4:17 Effective 2026-03-12 through 2026-03-17
Tous les jours 17:49 San Diego (SAN) 2 23:59 Chicago O'Hare (ORD) 2 Alaska Airlines AS 1493 Non-stop Boeing 737 (73J) 4:10 Effective from 2026-05-13
Lun-Mer 08:00 San Diego (SAN) 2 14:29 Chicago O'Hare (ORD) 2 Alaska Airlines AS 1495 Non-stop Boeing 737 (73J) 4:29 Effective 2026-01-07 through 2026-01-13
Jeu 08:00 San Diego (SAN) 2 14:29 Chicago O'Hare (ORD) 2 Alaska Airlines AS 1495 Non-stop Boeing 737 MAX 9 (7M9) 4:29 Effective 2026-01-08 through 2026-01-29
Ven,Sam 08:00 San Diego (SAN) 2 14:29 Chicago O'Hare (ORD) 2 Alaska Airlines AS 1495 Non-stop Boeing 737 MAX 8 (7M8) 4:29 Effective 2026-01-09 through 2026-01-17
Mer,Dim 08:00 San Diego (SAN) 2 14:29 Chicago O'Hare (ORD) 2 Alaska Airlines AS 1495 Non-stop Boeing 737-800 (73H) 4:29 Effective 2026-01-11 through 2026-02-01
Lun,Ven,Sam 08:00 San Diego (SAN) 2 14:29 Chicago O'Hare (ORD) 2 Alaska Airlines AS 1495 Non-stop Boeing 737 MAX 8 (7M8) 4:29 Effective 2026-01-19 through 2026-01-24
Lun,Mar 08:00 San Diego (SAN) 2 14:29 Chicago O'Hare (ORD) 2 Alaska Airlines AS 1495 Non-stop Boeing 737 (73J) 4:29 Effective 2026-01-20 through 2026-01-27
Ven 08:00 San Diego (SAN) 2 14:29 Chicago O'Hare (ORD) 2 Alaska Airlines AS 1495 Non-stop Boeing 737 MAX 8 (7M8) 4:29 Operates only on 2026-01-30
Jeu,Sam 08:00 San Diego (SAN) 2 14:29 Chicago O'Hare (ORD) 2 Alaska Airlines AS 1495 Non-stop Boeing 737 MAX 9 (7M9) 4:29 Effective 2026-01-31 through 2026-02-07
Lun,Mer,Dim 08:00 San Diego (SAN) 2 14:29 Chicago O'Hare (ORD) 2 Alaska Airlines AS 1495 Non-stop Boeing 737-800 (73H) 4:29 Effective 2026-02-02 through 2026-02-08
Lun,Mar,Ven 08:00 San Diego (SAN) 2 14:29 Chicago O'Hare (ORD) 2 Alaska Airlines AS 1495 Non-stop Boeing 737 (73J) 4:29 Effective 2026-02-03 through 2026-02-10
Mer 08:00 San Diego (SAN) 2 14:29 Chicago O'Hare (ORD) 2 Alaska Airlines AS 1495 Non-stop Boeing 737 MAX 8 (7M8) 4:29 Operates only on 2026-02-11
Tous les jours 08:00 San Diego (SAN) 2 13:54 Chicago O'Hare (ORD) 2 Alaska Airlines AS 1495 Non-stop Boeing 737 (73J) 3:54 Effective 2026-05-13 through 2026-06-09
Tous les jours 08:05 San Diego (SAN) 2 13:59 Chicago O'Hare (ORD) 2 Alaska Airlines AS 1495 Non-stop Boeing 737 (73J) 3:54 Effective 2026-03-18 through 2026-05-12
Lun,Jeu 08:35 San Diego (SAN) 2 14:58 Chicago O'Hare (ORD) 2 Alaska Airlines AS 1495 Non-stop Boeing 737 (73J) 4:23 Effective 2026-02-12 through 2026-02-16
Mar-Dim 08:35 San Diego (SAN) 2 14:58 Chicago O'Hare (ORD) 2 Alaska Airlines AS 1495 Non-stop Boeing 737 MAX 9 (7M9) 4:23 Effective 2026-02-13 through 2026-03-07
Lun 08:35 San Diego (SAN) 2 14:58 Chicago O'Hare (ORD) 2 Alaska Airlines AS 1495 Non-stop Boeing 737 (73J) 4:23 Effective 2026-02-23 through 2026-03-02
Tous les jours 08:35 San Diego (SAN) 2 14:58 Chicago O'Hare (ORD) 2 Alaska Airlines AS 1495 Non-stop Boeing 737 MAX 9 (7M9) 4:23 Effective 2026-03-08 through 2026-03-17

Il s'agit d'une ligne intérieure au départ de l'aéroport de San Diego (SAN) et à destination de l'aéroport de Chicago O'Hare (ORD).
La distance est de 2766 km.
Le fuseau horaire de l'aéroport de départ est UTC-8 , et le fuseau horaire de l'aéroport d'arrivée est UTC-6 . Il est actuellement (loading...) au point de départ et (loading...) au point d'arrivée. Il y a un décalage horaire de (loading...) heure(s) entre les aéroports.
Pour les vols directs, le temps de vol varie entre 3:54 et 4:32.

Vos réactions - Clause de non-garantie - Protection des renseignements personnels

HORAIRES DES VOLS

Vols directs:

Alaska Airlines AS1446

08:00

San Diego (SAN) 2

13:54

Chicago O'Hare (ORD) 2

Effective from 2026-06-10

Lun

Mar

Mer

Jeu

Ven

Sam

Dim

Duration: 3:54, non-stop
Boeing 737 (73J)

Vols directs:

Alaska Airlines AS1446

08:05

San Diego (SAN) 2

14:37

Chicago O'Hare (ORD) 2

Valid until 2026-01-04

Lun
-

Mar
-

Mer
-

Jeu
-

Ven
-

Sam
-

Dim

Duration: 4:32, non-stop
Boeing 737 MAX 9 (7M9)

Vols directs:

Alaska Airlines AS1446

08:05

San Diego (SAN) 2

14:37

Chicago O'Hare (ORD) 2

Valid until 2026-01-05

Lun

Mar

Mer
-

Jeu

Ven
-

Sam
-

Dim
-

Duration: 4:32, non-stop
Boeing 737 (73J)

Vols directs:

Alaska Airlines AS1446

08:05

San Diego (SAN) 2

14:37

Chicago O'Hare (ORD) 2

Effective 2026-01-02 through 2026-01-06

Lun
-

Mar

Mer
-

Jeu
-

Ven

Sam
-

Dim
-

Duration: 4:32, non-stop
Boeing 737-800 (73H)

Vols directs:

Alaska Airlines AS1446

08:25

San Diego (SAN) 2

14:57

Chicago O'Hare (ORD) 2

Operates only on 2026-01-03

Lun
-

Mar
-

Mer
-

Jeu
-

Ven
-

Sam

Dim
-

Duration: 4:32, non-stop
Boeing 737 MAX 8 (7M8)

Vols directs:

Alaska Airlines AS1478

12:45

San Diego (SAN) 2

18:55

Chicago O'Hare (ORD) 2

Effective from 2026-03-19

Lun

Mar

Mer

Jeu

Ven

Sam

Dim

Duration: 4:10, non-stop
Boeing 737 (73J)

Vols directs:

Alaska Airlines AS1478

13:30

San Diego (SAN) 2

20:02

Chicago O'Hare (ORD) 2

Valid until 2026-01-06

Lun

Mar

Mer
-

Jeu
-

Ven

Sam
-

Dim

Duration: 4:32, non-stop
Boeing 737 MAX 9 (7M9)

Vols directs:

Alaska Airlines AS1478

13:30

San Diego (SAN) 2

20:02

Chicago O'Hare (ORD) 2

Valid until 2026-01-03

Lun
-

Mar
-

Mer
-

Jeu

Ven
-

Sam

Dim
-

Duration: 4:32, non-stop
Boeing 737-800 (73H)

Vols directs:

Alaska Airlines AS1493

17:00

San Diego (SAN) 2

23:10

Chicago O'Hare (ORD) 2

Effective 2026-03-18 through 2026-05-12

Lun

Mar

Mer

Jeu

Ven

Sam

Dim

Duration: 4:10, non-stop
Boeing 737 (73J)

Vols directs:

Alaska Airlines AS1493

17:10

San Diego (SAN) 2

23:37

Chicago O'Hare (ORD) 2

Effective 2026-01-07 through 2026-01-13

Lun

Mar

Mer

Jeu

Ven

Sam

Dim

Duration: 4:27, non-stop
Boeing 737 (73J)

Vols directs:

Alaska Airlines AS1493

17:10

San Diego (SAN) 2

23:37

Chicago O'Hare (ORD) 2

Effective 2026-01-14 through 2026-01-21

Lun
-

Mar
-

Mer

Jeu

Ven
-

Sam
-

Dim

Duration: 4:27, non-stop
Boeing 737 MAX 9 (7M9)

Vols directs:

Alaska Airlines AS1493

17:10

San Diego (SAN) 2

23:37

Chicago O'Hare (ORD) 2

Effective 2026-01-16 through 2026-01-24

Lun

Mar

Mer
-

Jeu

Ven

Sam

Dim
-

Duration: 4:27, non-stop
Boeing 737 (73J)

Vols directs:

Alaska Airlines AS1493

17:10

San Diego (SAN) 2

23:37

Chicago O'Hare (ORD) 2

Effective 2026-01-25 through 2026-01-31

Lun

Mar

Mer

Jeu
-

Ven

Sam

Dim

Duration: 4:27, non-stop
Boeing 737 (73J)

Vols directs:

Alaska Airlines AS1493

17:10

San Diego (SAN) 2

23:37

Chicago O'Hare (ORD) 2

Effective 2026-01-29 through 2026-02-04

Lun

Mar
-

Mer

Jeu

Ven
-

Sam
-

Dim
-

Duration: 4:27, non-stop
Boeing 737 MAX 9 (7M9)

Vols directs:

Alaska Airlines AS1493

17:10

San Diego (SAN) 2

23:37

Chicago O'Hare (ORD) 2

Operates only on 2026-02-01

Lun
-

Mar
-

Mer
-

Jeu
-

Ven
-

Sam
-

Dim

Duration: 4:27, non-stop
Boeing 737 MAX 8 (7M8)

Vols directs:

Alaska Airlines AS1493

17:10

San Diego (SAN) 2

23:37

Chicago O'Hare (ORD) 2

Effective 2026-02-03 through 2026-02-10

Lun

Mar

Mer
-

Jeu

Ven

Sam

Dim

Duration: 4:27, non-stop
Boeing 737 (73J)

Vols directs:

Alaska Airlines AS1493

17:10

San Diego (SAN) 2

23:37

Chicago O'Hare (ORD) 2

Operates only on 2026-02-11

Lun
-

Mar
-

Mer

Jeu
-

Ven
-

Sam
-

Dim
-

Duration: 4:27, non-stop
Boeing 737 (73J)

Vols directs:

Alaska Airlines AS1493

17:31

San Diego (SAN) 2

23:59

Chicago O'Hare (ORD) 2

Valid until 2026-01-05

Lun

Mar

Mer
-

Jeu
-

Ven

Sam
-

Dim

Duration: 4:28, non-stop
Boeing 737 (73J)

Vols directs:

Alaska Airlines AS1493

17:31

San Diego (SAN) 2

23:59

Chicago O'Hare (ORD) 2

Operates only on 2026-01-03

Lun
-

Mar
-

Mer
-

Jeu
-

Ven
-

Sam

Dim
-

Duration: 4:28, non-stop
Boeing 737 MAX 9 (7M9)

Vols directs:

Alaska Airlines AS1493

17:42

San Diego (SAN) 2

23:59

Chicago O'Hare (ORD) 2

Effective 2026-02-12 through 2026-03-09

Lun

Mar

Mer

Jeu

Ven

Sam

Dim

Duration: 4:17, non-stop
Boeing 737 (73J)

Vols directs:

Alaska Airlines AS1493

17:42

San Diego (SAN) 2

23:59

Chicago O'Hare (ORD) 2

Effective 2026-03-10 through 2026-03-14

Lun
-

Mar

Mer

Jeu
-

Ven
-

Sam

Dim
-

Duration: 4:17, non-stop
Boeing 737 MAX 9 (7M9)

Vols directs:

Alaska Airlines AS1493

17:42

San Diego (SAN) 2

23:59

Chicago O'Hare (ORD) 2

Effective 2026-03-12 through 2026-03-17

Lun

Mar

Mer
-

Jeu

Ven

Sam
-

Dim

Duration: 4:17, non-stop
Boeing 737 (73J)

Vols directs:

Alaska Airlines AS1493

17:49

San Diego (SAN) 2

23:59

Chicago O'Hare (ORD) 2

Effective from 2026-05-13

Lun

Mar

Mer

Jeu

Ven

Sam

Dim

Duration: 4:10, non-stop
Boeing 737 (73J)

Vols directs:

Alaska Airlines AS1495

08:00

San Diego (SAN) 2

14:29

Chicago O'Hare (ORD) 2

Effective 2026-01-07 through 2026-01-13

Lun

Mar

Mer

Jeu
-

Ven
-

Sam
-

Dim
-

Duration: 4:29, non-stop
Boeing 737 (73J)

Vols directs:

Alaska Airlines AS1495

08:00

San Diego (SAN) 2

14:29

Chicago O'Hare (ORD) 2

Effective 2026-01-08 through 2026-01-29

Lun
-

Mar
-

Mer
-

Jeu

Ven
-

Sam
-

Dim
-

Duration: 4:29, non-stop
Boeing 737 MAX 9 (7M9)

Vols directs:

Alaska Airlines AS1495

08:00

San Diego (SAN) 2

14:29

Chicago O'Hare (ORD) 2

Effective 2026-01-09 through 2026-01-17

Lun
-

Mar
-

Mer
-

Jeu
-

Ven

Sam

Dim
-

Duration: 4:29, non-stop
Boeing 737 MAX 8 (7M8)

Vols directs:

Alaska Airlines AS1495

08:00

San Diego (SAN) 2

14:29

Chicago O'Hare (ORD) 2

Effective 2026-01-11 through 2026-02-01

Lun
-

Mar
-

Mer

Jeu
-

Ven
-

Sam
-

Dim

Duration: 4:29, non-stop
Boeing 737-800 (73H)

Vols directs:

Alaska Airlines AS1495

08:00

San Diego (SAN) 2

14:29

Chicago O'Hare (ORD) 2

Effective 2026-01-19 through 2026-01-24

Lun

Mar
-

Mer
-

Jeu
-

Ven

Sam

Dim
-

Duration: 4:29, non-stop
Boeing 737 MAX 8 (7M8)

Vols directs:

Alaska Airlines AS1495

08:00

San Diego (SAN) 2

14:29

Chicago O'Hare (ORD) 2

Effective 2026-01-20 through 2026-01-27

Lun

Mar

Mer
-

Jeu
-

Ven
-

Sam
-

Dim
-

Duration: 4:29, non-stop
Boeing 737 (73J)

Vols directs:

Alaska Airlines AS1495

08:00

San Diego (SAN) 2

14:29

Chicago O'Hare (ORD) 2

Operates only on 2026-01-30

Lun
-

Mar
-

Mer
-

Jeu
-

Ven

Sam
-

Dim
-

Duration: 4:29, non-stop
Boeing 737 MAX 8 (7M8)

Vols directs:

Alaska Airlines AS1495

08:00

San Diego (SAN) 2

14:29

Chicago O'Hare (ORD) 2

Effective 2026-01-31 through 2026-02-07

Lun
-

Mar
-

Mer
-

Jeu

Ven
-

Sam

Dim
-

Duration: 4:29, non-stop
Boeing 737 MAX 9 (7M9)

Vols directs:

Alaska Airlines AS1495

08:00

San Diego (SAN) 2

14:29

Chicago O'Hare (ORD) 2

Effective 2026-02-02 through 2026-02-08

Lun

Mar
-

Mer

Jeu
-

Ven
-

Sam
-

Dim

Duration: 4:29, non-stop
Boeing 737-800 (73H)

Vols directs:

Alaska Airlines AS1495

08:00

San Diego (SAN) 2

14:29

Chicago O'Hare (ORD) 2

Effective 2026-02-03 through 2026-02-10

Lun

Mar

Mer
-

Jeu
-

Ven

Sam
-

Dim
-

Duration: 4:29, non-stop
Boeing 737 (73J)

Vols directs:

Alaska Airlines AS1495

08:00

San Diego (SAN) 2

14:29

Chicago O'Hare (ORD) 2

Operates only on 2026-02-11

Lun
-

Mar
-

Mer

Jeu
-

Ven
-

Sam
-

Dim
-

Duration: 4:29, non-stop
Boeing 737 MAX 8 (7M8)

Vols directs:

Alaska Airlines AS1495

08:00

San Diego (SAN) 2

13:54

Chicago O'Hare (ORD) 2

Effective 2026-05-13 through 2026-06-09

Lun

Mar

Mer

Jeu

Ven

Sam

Dim

Duration: 3:54, non-stop
Boeing 737 (73J)

Vols directs:

Alaska Airlines AS1495

08:05

San Diego (SAN) 2

13:59

Chicago O'Hare (ORD) 2

Effective 2026-03-18 through 2026-05-12

Lun

Mar

Mer

Jeu

Ven

Sam

Dim

Duration: 3:54, non-stop
Boeing 737 (73J)

Vols directs:

Alaska Airlines AS1495

08:35

San Diego (SAN) 2

14:58

Chicago O'Hare (ORD) 2

Effective 2026-02-12 through 2026-02-16

Lun

Mar
-

Mer
-

Jeu

Ven
-

Sam
-

Dim
-

Duration: 4:23, non-stop
Boeing 737 (73J)

Vols directs:

Alaska Airlines AS1495

08:35

San Diego (SAN) 2

14:58

Chicago O'Hare (ORD) 2

Effective 2026-02-13 through 2026-03-07

Lun
-

Mar

Mer

Jeu

Ven

Sam

Dim

Duration: 4:23, non-stop
Boeing 737 MAX 9 (7M9)

Vols directs:

Alaska Airlines AS1495

08:35

San Diego (SAN) 2

14:58

Chicago O'Hare (ORD) 2

Effective 2026-02-23 through 2026-03-02

Lun

Mar
-

Mer
-

Jeu
-

Ven
-

Sam
-

Dim
-

Duration: 4:23, non-stop
Boeing 737 (73J)

Vols directs:

Alaska Airlines AS1495

08:35

San Diego (SAN) 2

14:58

Chicago O'Hare (ORD) 2

Effective 2026-03-08 through 2026-03-17

Lun

Mar

Mer

Jeu

Ven

Sam

Dim

Duration: 4:23, non-stop
Boeing 737 MAX 9 (7M9)

Il s'agit d'une ligne intérieure au départ de l'aéroport de San Diego (SAN) et à destination de l'aéroport de Chicago O'Hare (ORD).
La distance est de 2766 km.
Le fuseau horaire de l'aéroport de départ est UTC-8 , et le fuseau horaire de l'aéroport d'arrivée est UTC-6 . Il est actuellement (loading...) au point de départ et (loading...) au point d'arrivée. Il y a un décalage horaire de (loading...) heure(s) entre les aéroports.
Pour les vols directs, le temps de vol varie entre 3:54 et 4:32.

Tous les vols SAN-ORD

Tous Alaska Airlines vols

Vols retour (ORD-SAN)

Vos réactions - Clause de non-garantie - Protection des renseignements personnels