Southwest Airlines flights from Ontario, Los Angeles (ONT) to Phoenix Sky Harbor (PHX).
| FLIGHT SCHEDULE |
|---|
| Direct Flights: |
| Mon
19:55
Ontario, Los Angeles (ONT) 4
22:15
Phoenix Sky Harbor (PHX) 4 Southwest Airlines WN 3038 Non-stop Boeing 737-800 (73H) 1:20 Operates only on 2026-03-02 |
| Mon,Thu,Fri
12:45
Ontario, Los Angeles (ONT) 4
14:00
Phoenix Sky Harbor (PHX) 4 Southwest Airlines WN 3062 Non-stop Boeing 737-700 (Scimitar Winglets) 1:15 Effective 2026-06-04 through 2026-08-03 |
| Tue,Wed
08:45
Ontario, Los Angeles (ONT) 4
10:05
Phoenix Sky Harbor (PHX) 4 Southwest Airlines WN 3087 Non-stop Boeing 737-800 (73H) 1:20 Effective 2026-08-04 through 2026-09-30 |
| Sat
10:15
Ontario, Los Angeles (ONT) 4
11:30
Phoenix Sky Harbor (PHX) 4 Southwest Airlines WN 3087 Non-stop Boeing 737 MAX 8 (7M8) 1:15 Effective 2026-08-08 through 2026-09-26 |
| Mon,Thu,Fri
14:40
Ontario, Los Angeles (ONT) 4
16:00
Phoenix Sky Harbor (PHX) 4 Southwest Airlines WN 3089 Non-stop Boeing 737 MAX 8 (7M8) 1:20 Effective 2026-08-06 through 2026-09-28 |
| Tue,Wed
15:35
Ontario, Los Angeles (ONT) 4
16:55
Phoenix Sky Harbor (PHX) 4 Southwest Airlines WN 3089 Non-stop Boeing 737 MAX 8 (7M8) 1:20 Effective 2026-08-04 through 2026-09-30 |
| Sun
18:10
Ontario, Los Angeles (ONT) 4
19:30
Phoenix Sky Harbor (PHX) 4 Southwest Airlines WN 3089 Non-stop Boeing 737-700 (Scimitar Winglets) 1:20 Effective 2026-08-09 through 2026-09-27 |
| Mon,Thu,Fri
17:15
Ontario, Los Angeles (ONT) 4
18:35
Phoenix Sky Harbor (PHX) 4 Southwest Airlines WN 3159 Non-stop Boeing 737 MAX 8 (7M8) 1:20 Effective 2026-06-04 through 2026-08-03 |
| Sat
18:30
Ontario, Los Angeles (ONT) 4
19:50
Phoenix Sky Harbor (PHX) 4 Southwest Airlines WN 3159 Non-stop Boeing 737 MAX 8 (7M8) 1:20 Effective 2026-06-06 through 2026-08-01 |
| Tue,Wed
19:20
Ontario, Los Angeles (ONT) 4
20:35
Phoenix Sky Harbor (PHX) 4 Southwest Airlines WN 3160 Non-stop Boeing 737-800 (73H) 1:15 Effective 2026-06-09 through 2026-07-29 |
| Sun
20:40
Ontario, Los Angeles (ONT) 4
21:55
Phoenix Sky Harbor (PHX) 4 Southwest Airlines WN 3160 Non-stop Boeing 737 MAX 8 (7M8) 1:15 Effective 2026-06-07 through 2026-08-02 |
| Mon,Thu,Fri
20:45
Ontario, Los Angeles (ONT) 4
22:00
Phoenix Sky Harbor (PHX) 4 Southwest Airlines WN 3160 Non-stop Boeing 737-800 (73H) 1:15 Effective 2026-06-04 through 2026-08-03 |
| Thu,Fri
08:40
Ontario, Los Angeles (ONT) 4
11:00
Phoenix Sky Harbor (PHX) 4 Southwest Airlines WN 3325 Non-stop Boeing 737-700 (Scimitar Winglets) 1:20 Effective 2026-03-05 through 2026-03-06 |
| Mon,Thu,Fri
08:40
Ontario, Los Angeles (ONT) 4
10:00
Phoenix Sky Harbor (PHX) 4 Southwest Airlines WN 3325 Non-stop Boeing 737-700 (Scimitar Winglets) 1:20 Effective 2026-03-09 through 2026-04-06 |
| Sat
05:15
Ontario, Los Angeles (ONT) 4
07:30
Phoenix Sky Harbor (PHX) 4 Southwest Airlines WN 3341 Non-stop Boeing 737 MAX 8 (7M8) 1:15 Operates only on 2026-03-07 |
| Sat,Sun
05:15
Ontario, Los Angeles (ONT) 4
06:30
Phoenix Sky Harbor (PHX) 4 Southwest Airlines WN 3341 Non-stop Boeing 737 MAX 8 (7M8) 1:15 Effective 2026-03-08 through 2026-04-05 |
| Thu,Fri
05:40
Ontario, Los Angeles (ONT) 4
07:55
Phoenix Sky Harbor (PHX) 4 Southwest Airlines WN 3341 Non-stop Boeing 737 MAX 8 (7M8) 1:15 Effective 2026-03-05 through 2026-03-06 |
| Mon,Thu,Fri
05:40
Ontario, Los Angeles (ONT) 4
06:55
Phoenix Sky Harbor (PHX) 4 Southwest Airlines WN 3341 Non-stop Boeing 737 MAX 8 (7M8) 1:15 Effective 2026-03-09 through 2026-04-06 |
| Tue,Wed
06:15
Ontario, Los Angeles (ONT) 4
07:30
Phoenix Sky Harbor (PHX) 4 Southwest Airlines WN 3341 Non-stop Boeing 737 MAX 8 (7M8) 1:15 Effective 2026-03-10 through 2026-04-01 |
| Mon
09:15
Ontario, Los Angeles (ONT) 4
11:30
Phoenix Sky Harbor (PHX) 4 Southwest Airlines WN 3351 Non-stop Boeing 737 MAX 8 (7M8) 1:15 Operates only on 2026-01-05 |
| Sat
18:10
Ontario, Los Angeles (ONT) 4
20:30
Phoenix Sky Harbor (PHX) 4 Southwest Airlines WN 3452 Non-stop Boeing 737-700 (Scimitar Winglets) 1:20 Operates only on 2026-03-07 |
| Sat
18:10
Ontario, Los Angeles (ONT) 4
19:30
Phoenix Sky Harbor (PHX) 4 Southwest Airlines WN 3452 Non-stop Boeing 737-700 (Scimitar Winglets) 1:20 Effective 2026-03-14 through 2026-04-04 |
| Sun
12:10
Ontario, Los Angeles (ONT) 4
14:30
Phoenix Sky Harbor (PHX) 4 Southwest Airlines WN 3549 Non-stop Boeing 737-700 (Scimitar Winglets) 1:20 Effective 2026-02-22 through 2026-03-01 |
| Sun
12:45
Ontario, Los Angeles (ONT) 4
14:00
Phoenix Sky Harbor (PHX) 4 Southwest Airlines WN 3585 Non-stop Boeing 737-700 (Scimitar Winglets) 1:15 Effective 2026-06-07 through 2026-08-02 |
| Mon,Thu,Fri
08:10
Ontario, Los Angeles (ONT) 4
09:25
Phoenix Sky Harbor (PHX) 4 Southwest Airlines WN 3664 Non-stop Boeing 737 MAX 8 (7M8) 1:15 Effective 2026-04-09 through 2026-06-01 |
| Tue,Wed
10:30
Ontario, Los Angeles (ONT) 4
11:45
Phoenix Sky Harbor (PHX) 4 Southwest Airlines WN 3664 Non-stop Boeing 737 MAX 8 (7M8) 1:15 Effective 2026-04-07 through 2026-06-03 |
| Tue,Wed
10:10
Ontario, Los Angeles (ONT) 4
11:25
Phoenix Sky Harbor (PHX) 4 Southwest Airlines WN 3805 Non-stop Boeing 737-700 (Scimitar Winglets) 1:15 Effective 2026-06-09 through 2026-07-29 |
| Sun
13:25
Ontario, Los Angeles (ONT) 4
14:45
Phoenix Sky Harbor (PHX) 4 Southwest Airlines WN 3865 Non-stop Boeing 737-700 (Scimitar Winglets) 1:20 Effective 2026-03-08 through 2026-04-05 |
| Tue
13:10
Ontario, Los Angeles (ONT) 4
14:35
Phoenix Sky Harbor (PHX) 4 Southwest Airlines WN 3876 Non-stop Boeing 737 MAX 8 (7M8) 1:25 Effective 2026-08-04 through 2026-09-29 |
| Sat
15:15
Ontario, Los Angeles (ONT) 4
16:35
Phoenix Sky Harbor (PHX) 4 Southwest Airlines WN 3876 Non-stop Boeing 737 MAX 8 (7M8) 1:20 Effective 2026-08-08 through 2026-09-26 |
| Mon,Tue,Fri,Sun
08:10
Ontario, Los Angeles (ONT) 4
10:25
Phoenix Sky Harbor (PHX) 4 Southwest Airlines WN 3961 Non-stop Boeing 737 MAX 8 (7M8) 1:15 Valid until 2026-01-04 |
| Fri,Sun
05:10
Ontario, Los Angeles (ONT) 4
07:20
Phoenix Sky Harbor (PHX) 4 Southwest Airlines WN 3987 Non-stop Boeing 737-700 (Scimitar Winglets) 1:10 Effective 2026-01-02 through 2026-01-04 |
| Mon
05:35
Ontario, Los Angeles (ONT) 4
07:50
Phoenix Sky Harbor (PHX) 4 Southwest Airlines WN 3987 Non-stop Boeing 737-800 (73H) 1:15 Operates only on 2026-01-05 |
| Wed,Thu
12:35
Ontario, Los Angeles (ONT) 4
14:50
Phoenix Sky Harbor (PHX) 4 Southwest Airlines WN 3987 Non-stop Boeing 737-700 (73W) 1:15 Valid until 2026-01-01 |
| Mon
14:20
Ontario, Los Angeles (ONT) 4
16:35
Phoenix Sky Harbor (PHX) 4 Southwest Airlines WN 3994 Non-stop Boeing 737-700 (Scimitar Winglets) 1:15 Operates only on 2026-01-05 |
| Sat
15:40
Ontario, Los Angeles (ONT) 4
17:55
Phoenix Sky Harbor (PHX) 4 Southwest Airlines WN 4042 Non-stop Boeing 737-700 (Scimitar Winglets) 1:15 Operates only on 2026-01-03 |
| Tue,Wed
08:30
Ontario, Los Angeles (ONT) 4
09:45
Phoenix Sky Harbor (PHX) 4 Southwest Airlines WN 4073 Non-stop Boeing 737-700 (Scimitar Winglets) 1:15 Effective 2026-03-10 through 2026-04-01 |
| Sat
10:40
Ontario, Los Angeles (ONT) 4
12:55
Phoenix Sky Harbor (PHX) 4 Southwest Airlines WN 4073 Non-stop Boeing 737-700 (Scimitar Winglets) 1:15 Operates only on 2026-03-07 |
| Sat
10:40
Ontario, Los Angeles (ONT) 4
11:55
Phoenix Sky Harbor (PHX) 4 Southwest Airlines WN 4073 Non-stop Boeing 737-700 (Scimitar Winglets) 1:15 Effective 2026-03-14 through 2026-04-04 |
| Thu,Fri
17:20
Ontario, Los Angeles (ONT) 4
19:40
Phoenix Sky Harbor (PHX) 4 Southwest Airlines WN 4073 Non-stop Boeing 737-700 (Scimitar Winglets) 1:20 Effective 2026-03-05 through 2026-03-06 |
| Mon,Thu,Fri
17:20
Ontario, Los Angeles (ONT) 4
18:40
Phoenix Sky Harbor (PHX) 4 Southwest Airlines WN 4073 Non-stop Boeing 737-700 (Scimitar Winglets) 1:20 Effective 2026-03-09 through 2026-04-06 |
| Thu,Fri
13:00
Ontario, Los Angeles (ONT) 4
15:20
Phoenix Sky Harbor (PHX) 4 Southwest Airlines WN 4138 Non-stop Boeing 737-700 (Scimitar Winglets) 1:20 Effective 2026-03-05 through 2026-03-06 |
| Mon,Thu,Fri
13:00
Ontario, Los Angeles (ONT) 4
14:20
Phoenix Sky Harbor (PHX) 4 Southwest Airlines WN 4138 Non-stop Boeing 737-700 (Scimitar Winglets) 1:20 Effective 2026-03-09 through 2026-04-06 |
| Sat
08:40
Ontario, Los Angeles (ONT) 4
09:55
Phoenix Sky Harbor (PHX) 4 Southwest Airlines WN 4253 Non-stop Boeing 737-700 (Scimitar Winglets) 1:15 Effective 2026-04-11 through 2026-05-30 |
| Sat
10:15
Ontario, Los Angeles (ONT) 4
12:30
Phoenix Sky Harbor (PHX) 4 Southwest Airlines WN 4331 Non-stop Boeing 737-700 (Scimitar Winglets) 1:15 Effective 2026-01-10 through 2026-02-07 |
| Tue,Wed
16:25
Ontario, Los Angeles (ONT) 4
17:45
Phoenix Sky Harbor (PHX) 4 Southwest Airlines WN 4392 Non-stop Boeing 737 MAX 8 (7M8) 1:20 Effective 2026-03-10 through 2026-04-01 |
| Sun
19:55
Ontario, Los Angeles (ONT) 4
21:10
Phoenix Sky Harbor (PHX) 4 Southwest Airlines WN 4392 Non-stop Boeing 737 MAX 8 (7M8) 1:15 Effective 2026-03-08 through 2026-04-05 |
| Mon,Thu,Fri
08:00
Ontario, Los Angeles (ONT) 4
09:15
Phoenix Sky Harbor (PHX) 4 Southwest Airlines WN 4421 Non-stop Boeing 737-700 (Scimitar Winglets) 1:15 Effective 2026-06-04 through 2026-08-03 |
| Sat
05:30
Ontario, Los Angeles (ONT) 4
06:45
Phoenix Sky Harbor (PHX) 4 Southwest Airlines WN 4460 Non-stop Boeing 737-800 (73H) 1:15 Effective 2026-06-06 through 2026-08-01 |
| Tue,Wed
16:35
Ontario, Los Angeles (ONT) 4
17:50
Phoenix Sky Harbor (PHX) 4 Southwest Airlines WN 4538 Non-stop Boeing 737 MAX 8 (7M8) 1:15 Effective 2026-06-09 through 2026-07-29 |
- A domestic route departing from the Ontario, Los Angeles airport (ONT) and arriving at Phoenix Sky Harbor airport (PHX).
- The flight distance is 324 miles, or 522 km.
- The timezone of the departure airport is UTC-8 , and the timezone of the arrival airport is UTC-7 . Current time at the point of departure is (loading...), and (loading...) at the point of arrival. There is a (loading...) hour time difference between the airports.
- For direct flights, the flight time varies between 1:10 and 1:25.
