Southwest Airlines flights from Phoenix Sky Harbor (PHX) to Ontario, Los Angeles (ONT).
| FLIGHT SCHEDULE |
|---|
| Direct Flights: |
| Sun
19:00
Phoenix Sky Harbor (PHX) 4
20:10
Ontario, Los Angeles (ONT) 4 Southwest Airlines WN 3078 Non-stop Boeing 737-700 (Scimitar Winglets) 1:10 Operates only on 2026-05-31 |
| Sun
22:55
Phoenix Sky Harbor (PHX) 4
00:05
Ontario, Los Angeles (ONT) 4 Southwest Airlines WN 3101 Non-stop Boeing 737 MAX 8 (7M8) 1:10 Effective 2026-04-12 through 2026-05-17 The flight arrives 1 day after departure. |
| Sun
22:55
Phoenix Sky Harbor (PHX) 4
00:05
Ontario, Los Angeles (ONT) 4 Southwest Airlines WN 3101 Non-stop Boeing 737 MAX 8 (7M8) 1:10 Operates only on 2026-05-31 The flight arrives 1 day after departure. |
| Mon
09:35
Phoenix Sky Harbor (PHX) 4
09:55
Ontario, Los Angeles (ONT) 4 Southwest Airlines WN 3154 Non-stop Boeing 737 MAX 8 (7M8) 1:20 Operates only on 2026-01-05 |
| Thu,Fri,Sun
08:45
Phoenix Sky Harbor (PHX) 4
09:05
Ontario, Los Angeles (ONT) 4 Southwest Airlines WN 3196 Non-stop Boeing 737 MAX 8 (7M8) 1:20 Effective 2026-01-11 through 2026-01-16 |
| Mon,Sun
08:45
Phoenix Sky Harbor (PHX) 4
09:05
Ontario, Los Angeles (ONT) 4 Southwest Airlines WN 3196 Non-stop Boeing 737 MAX 8 (7M8) 1:20 Effective 2026-01-19 through 2026-01-25 |
| Thu,Fri,Sun
08:45
Phoenix Sky Harbor (PHX) 4
09:05
Ontario, Los Angeles (ONT) 4 Southwest Airlines WN 3196 Non-stop Boeing 737 MAX 8 (7M8) 1:20 Effective 2026-02-01 through 2026-02-06 |
| Mon,Sun
08:45
Phoenix Sky Harbor (PHX) 4
09:05
Ontario, Los Angeles (ONT) 4 Southwest Airlines WN 3196 Non-stop Boeing 737 MAX 8 (7M8) 1:20 Effective 2026-02-09 through 2026-02-15 |
| Mon,Tue,Thu
08:45
Phoenix Sky Harbor (PHX) 4
09:05
Ontario, Los Angeles (ONT) 4 Southwest Airlines WN 3196 Non-stop Boeing 737 MAX 8 (7M8) 1:20 Effective 2026-02-17 through 2026-02-23 |
| Mon
08:45
Phoenix Sky Harbor (PHX) 4
09:05
Ontario, Los Angeles (ONT) 4 Southwest Airlines WN 3196 Non-stop Boeing 737 MAX 8 (7M8) 1:20 Operates only on 2026-03-02 |
| Mon,Thu,Fri
08:50
Phoenix Sky Harbor (PHX) 4
09:10
Ontario, Los Angeles (ONT) 4 Southwest Airlines WN 3196 Non-stop Boeing 737 MAX 8 (7M8) 1:20 Effective 2026-02-12 through 2026-02-16 |
| Thu,Fri,Sun
08:50
Phoenix Sky Harbor (PHX) 4
09:10
Ontario, Los Angeles (ONT) 4 Southwest Airlines WN 3196 Non-stop Boeing 737 MAX 8 (7M8) 1:20 Effective 2026-02-20 through 2026-03-01 |
| Mon-Fri
12:00
Phoenix Sky Harbor (PHX) 4
12:25
Ontario, Los Angeles (ONT) 4 Southwest Airlines WN 3196 Non-stop Boeing 737-700 (Scimitar Winglets) 1:25 Effective 2026-01-06 through 2026-01-14 |
| Tue-Fri,Sun
12:00
Phoenix Sky Harbor (PHX) 4
12:25
Ontario, Los Angeles (ONT) 4 Southwest Airlines WN 3196 Non-stop Boeing 737-700 (Scimitar Winglets) 1:25 Effective 2026-01-18 through 2026-01-23 |
| Mon-Fri
12:00
Phoenix Sky Harbor (PHX) 4
12:25
Ontario, Los Angeles (ONT) 4 Southwest Airlines WN 3196 Non-stop Boeing 737-700 (Scimitar Winglets) 1:25 Effective 2026-01-26 through 2026-02-04 |
| Tue,Wed,Sun
12:00
Phoenix Sky Harbor (PHX) 4
12:25
Ontario, Los Angeles (ONT) 4 Southwest Airlines WN 3196 Non-stop Boeing 737-700 (Scimitar Winglets) 1:25 Effective 2026-02-08 through 2026-02-11 |
| Tue,Wed
12:00
Phoenix Sky Harbor (PHX) 4
12:25
Ontario, Los Angeles (ONT) 4 Southwest Airlines WN 3196 Non-stop Boeing 737-700 (Scimitar Winglets) 1:25 Effective 2026-02-18 through 2026-03-04 |
| Sat
18:45
Phoenix Sky Harbor (PHX) 4
19:00
Ontario, Los Angeles (ONT) 4 Southwest Airlines WN 3196 Non-stop Boeing 737-800 (73H) 1:15 Effective 2026-01-10 through 2026-02-07 |
| Mon,Thu,Fri
11:35
Phoenix Sky Harbor (PHX) 4
12:00
Ontario, Los Angeles (ONT) 4 Southwest Airlines WN 3197 Non-stop Boeing 737 MAX 8 (7M8) 1:25 Effective 2026-02-12 through 2026-02-16 |
| Thu,Fri,Sun
11:35
Phoenix Sky Harbor (PHX) 4
12:00
Ontario, Los Angeles (ONT) 4 Southwest Airlines WN 3197 Non-stop Boeing 737 MAX 8 (7M8) 1:25 Effective 2026-02-20 through 2026-03-01 |
| Mon-Fri
16:40
Phoenix Sky Harbor (PHX) 4
16:55
Ontario, Los Angeles (ONT) 4 Southwest Airlines WN 3197 Non-stop Boeing 737-800 (73H) 1:15 Effective 2026-01-06 through 2026-01-14 |
| Tue-Fri,Sun
16:40
Phoenix Sky Harbor (PHX) 4
16:55
Ontario, Los Angeles (ONT) 4 Southwest Airlines WN 3197 Non-stop Boeing 737-800 (73H) 1:15 Effective 2026-01-18 through 2026-01-23 |
| Mon-Fri
16:40
Phoenix Sky Harbor (PHX) 4
16:55
Ontario, Los Angeles (ONT) 4 Southwest Airlines WN 3197 Non-stop Boeing 737-800 (73H) 1:15 Effective 2026-01-26 through 2026-02-04 |
| Tue,Wed,Sun
16:40
Phoenix Sky Harbor (PHX) 4
16:55
Ontario, Los Angeles (ONT) 4 Southwest Airlines WN 3197 Non-stop Boeing 737-800 (73H) 1:15 Effective 2026-02-08 through 2026-02-11 |
| Tue,Wed
16:40
Phoenix Sky Harbor (PHX) 4
16:55
Ontario, Los Angeles (ONT) 4 Southwest Airlines WN 3197 Non-stop Boeing 737-800 (73H) 1:15 Effective 2026-02-18 through 2026-03-04 |
| Tue,Wed
18:50
Phoenix Sky Harbor (PHX) 4
20:00
Ontario, Los Angeles (ONT) 4 Southwest Airlines WN 3206 Non-stop Boeing 737-700 (Scimitar Winglets) 1:10 Effective 2026-06-09 through 2026-07-29 |
| Mon,Thu,Fri
08:05
Phoenix Sky Harbor (PHX) 4
09:20
Ontario, Los Angeles (ONT) 4 Southwest Airlines WN 3236 Non-stop Boeing 737-800 (73H) 1:15 Effective 2026-08-06 through 2026-09-28 |
| Sun
08:10
Phoenix Sky Harbor (PHX) 4
09:25
Ontario, Los Angeles (ONT) 4 Southwest Airlines WN 3236 Non-stop Boeing 737 MAX 8 (7M8) 1:15 Effective 2026-08-09 through 2026-09-27 |
| Tue
09:00
Phoenix Sky Harbor (PHX) 4
10:25
Ontario, Los Angeles (ONT) 4 Southwest Airlines WN 3236 Non-stop Boeing 737-700 (Scimitar Winglets) 1:25 Effective 2026-08-04 through 2026-09-29 |
| Sun
21:10
Phoenix Sky Harbor (PHX) 4
22:20
Ontario, Los Angeles (ONT) 4 Southwest Airlines WN 3238 Non-stop Boeing 737-700 (Scimitar Winglets) 1:10 Effective 2026-08-09 through 2026-09-27 |
| Tue,Wed
08:10
Phoenix Sky Harbor (PHX) 4
09:40
Ontario, Los Angeles (ONT) 4 Southwest Airlines WN 3311 Non-stop Boeing 737 MAX 8 (7M8) 1:30 Effective 2026-03-10 through 2026-04-01 |
| Sat
08:45
Phoenix Sky Harbor (PHX) 4
10:05
Ontario, Los Angeles (ONT) 4 Southwest Airlines WN 3311 Non-stop Boeing 737-700 (Scimitar Winglets) 1:20 Effective 2026-03-14 through 2026-04-04 |
| Sat
09:45
Phoenix Sky Harbor (PHX) 4
10:05
Ontario, Los Angeles (ONT) 4 Southwest Airlines WN 3311 Non-stop Boeing 737-700 (Scimitar Winglets) 1:20 Operates only on 2026-03-07 |
| Sun
22:55
Phoenix Sky Harbor (PHX) 4
00:10
Ontario, Los Angeles (ONT) 4 Southwest Airlines WN 3311 Non-stop Boeing 737 MAX 8 (7M8) 1:15 Effective 2026-03-08 through 2026-04-05 The flight arrives 1 day after departure. |
| Sat
12:30
Phoenix Sky Harbor (PHX) 4
13:40
Ontario, Los Angeles (ONT) 4 Southwest Airlines WN 3313 Non-stop Boeing 737 MAX 8 (7M8) 1:10 Effective 2026-06-06 through 2026-08-01 |
| Tue,Wed
21:45
Phoenix Sky Harbor (PHX) 4
22:55
Ontario, Los Angeles (ONT) 4 Southwest Airlines WN 3313 Non-stop Boeing 737 MAX 8 (7M8) 1:10 Effective 2026-06-09 through 2026-07-29 |
| Sun
22:55
Phoenix Sky Harbor (PHX) 4
00:05
Ontario, Los Angeles (ONT) 4 Southwest Airlines WN 3313 Non-stop Boeing 737 MAX 8 (7M8) 1:10 Effective 2026-06-07 through 2026-08-02 The flight arrives 1 day after departure. |
| Sun
10:20
Phoenix Sky Harbor (PHX) 4
11:35
Ontario, Los Angeles (ONT) 4 Southwest Airlines WN 3450 Non-stop Boeing 737 MAX 8 (7M8) 1:15 Effective 2026-08-09 through 2026-09-27 |
| Tue,Wed
12:55
Phoenix Sky Harbor (PHX) 4
14:05
Ontario, Los Angeles (ONT) 4 Southwest Airlines WN 3450 Non-stop Boeing 737-700 (Scimitar Winglets) 1:10 Effective 2026-08-04 through 2026-09-30 |
| Mon,Thu,Fri,Sun
07:50
Phoenix Sky Harbor (PHX) 4
09:20
Ontario, Los Angeles (ONT) 4 Southwest Airlines WN 3829 Non-stop Boeing 737 MAX 8 (7M8) 1:30 Effective 2026-03-08 through 2026-04-06 |
| Thu,Fri
08:50
Phoenix Sky Harbor (PHX) 4
09:20
Ontario, Los Angeles (ONT) 4 Southwest Airlines WN 3829 Non-stop Boeing 737 MAX 8 (7M8) 1:30 Effective 2026-03-05 through 2026-03-06 |
| Tue,Wed
17:40
Phoenix Sky Harbor (PHX) 4
18:50
Ontario, Los Angeles (ONT) 4 Southwest Airlines WN 3851 Non-stop Boeing 737-700 (Scimitar Winglets) 1:10 Effective 2026-04-07 through 2026-06-03 |
| Sat
19:05
Phoenix Sky Harbor (PHX) 4
20:15
Ontario, Los Angeles (ONT) 4 Southwest Airlines WN 3851 Non-stop Boeing 737 MAX 8 (7M8) 1:10 Effective 2026-04-11 through 2026-05-30 |
| Mon,Thu,Fri
20:05
Phoenix Sky Harbor (PHX) 4
21:15
Ontario, Los Angeles (ONT) 4 Southwest Airlines WN 3851 Non-stop Boeing 737-800 (73H) 1:10 Effective 2026-04-09 through 2026-06-01 |
| Wed
09:00
Phoenix Sky Harbor (PHX) 4
10:25
Ontario, Los Angeles (ONT) 4 Southwest Airlines WN 3904 Non-stop Boeing 737-700 (Scimitar Winglets) 1:25 Effective 2026-08-05 through 2026-09-30 |
| Mon,Thu,Fri
19:30
Phoenix Sky Harbor (PHX) 4
20:40
Ontario, Los Angeles (ONT) 4 Southwest Airlines WN 3904 Non-stop Boeing 737 MAX 8 (7M8) 1:10 Effective 2026-08-06 through 2026-09-28 |
| Fri,Sun
12:35
Phoenix Sky Harbor (PHX) 4
12:50
Ontario, Los Angeles (ONT) 4 Southwest Airlines WN 3985 Non-stop Boeing 737-700 (Scimitar Winglets) 1:15 Effective 2026-01-02 through 2026-01-04 |
| Wed,Thu
11:35
Phoenix Sky Harbor (PHX) 4
12:00
Ontario, Los Angeles (ONT) 4 Southwest Airlines WN 4099 Non-stop Boeing 737-700 (73W) 1:25 Valid until 2026-01-01 |
| Mon
19:30
Phoenix Sky Harbor (PHX) 4
19:40
Ontario, Los Angeles (ONT) 4 Southwest Airlines WN 4099 Non-stop Boeing 737-800 (73H) 1:10 Operates only on 2026-01-05 |
| Sat
14:05
Phoenix Sky Harbor (PHX) 4
15:15
Ontario, Los Angeles (ONT) 4 Southwest Airlines WN 4113 Non-stop Boeing 737-800 (73H) 1:10 Effective 2026-08-08 through 2026-09-26 |
- A domestic route departing from the Phoenix Sky Harbor airport (PHX) and arriving at Ontario, Los Angeles airport (ONT).
- The flight distance is 324 miles, or 522 km.
- The timezone of the departure airport is UTC-7 , and the timezone of the arrival airport is UTC-8 . 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 1:30.
