Southwest Airlines flights from Atlanta (ATL) to Ontario, Los Angeles (ONT).

Select flight date:
FLIGHT SCHEDULE
Non-Direct Flights:
Sun 06:25 Atlanta (ATL) N 09:10 Ontario, Los Angeles (ONT) 4
Southwest Airlines WN 209 1-stop Boeing 737-700 (Scimitar Winglets) 5:45 Effective 2026-06-07 through 2026-08-02
Mon-Fri 11:30 Atlanta (ATL) N 15:05 Ontario, Los Angeles (ONT) 4
Southwest Airlines WN 467 1-stop Boeing 737-700 (Scimitar Winglets) 6:35 Effective 2026-01-06 through 2026-01-14
Tue-Fri,Sun 11:30 Atlanta (ATL) N 15:05 Ontario, Los Angeles (ONT) 4
Southwest Airlines WN 467 1-stop Boeing 737-700 (Scimitar Winglets) 6:35 Effective 2026-01-18 through 2026-01-23
Mon-Fri 11:30 Atlanta (ATL) N 15:05 Ontario, Los Angeles (ONT) 4
Southwest Airlines WN 467 1-stop Boeing 737-700 (Scimitar Winglets) 6:35 Effective 2026-01-26 through 2026-02-04
Sun 11:30 Atlanta (ATL) N 15:05 Ontario, Los Angeles (ONT) 4
Southwest Airlines WN 467 1-stop Boeing 737-700 (Scimitar Winglets) 6:35 Operates only on 2026-02-08
Tue,Wed 11:35 Atlanta (ATL) N 15:40 Ontario, Los Angeles (ONT) 4
Southwest Airlines WN 467 1-stop Boeing 737-700 (Scimitar Winglets) 7:05 Effective 2026-02-10 through 2026-02-11
Tue,Wed 11:35 Atlanta (ATL) N 15:40 Ontario, Los Angeles (ONT) 4
Southwest Airlines WN 467 1-stop Boeing 737-700 (Scimitar Winglets) 7:05 Effective 2026-02-18 through 2026-03-04
Sun 08:55 Atlanta (ATL) N 11:40 Ontario, Los Angeles (ONT) 4
Southwest Airlines WN 1413 1-stop Boeing 737 MAX 8 (7M8) 5:45 Effective 2026-06-07 through 2026-08-02
Mon-Fri 15:15 Atlanta (ATL) N 18:40 Ontario, Los Angeles (ONT) 4
Southwest Airlines WN 2123 1-stop Boeing 737-800 (73H) 6:25 Effective 2026-01-06 through 2026-01-14
Tue-Fri,Sun 15:15 Atlanta (ATL) N 18:40 Ontario, Los Angeles (ONT) 4
Southwest Airlines WN 2123 1-stop Boeing 737-800 (73H) 6:25 Effective 2026-01-18 through 2026-01-23
Mon-Fri 15:15 Atlanta (ATL) N 18:40 Ontario, Los Angeles (ONT) 4
Southwest Airlines WN 2123 1-stop Boeing 737-800 (73H) 6:25 Effective 2026-01-26 through 2026-02-04
Tue,Wed,Sun 15:15 Atlanta (ATL) N 18:40 Ontario, Los Angeles (ONT) 4
Southwest Airlines WN 2123 1-stop Boeing 737-800 (73H) 6:25 Effective 2026-02-08 through 2026-02-11
Tue,Wed 15:15 Atlanta (ATL) N 18:40 Ontario, Los Angeles (ONT) 4
Southwest Airlines WN 2123 1-stop Boeing 737-800 (73H) 6:25 Effective 2026-02-18 through 2026-03-04
Mon 17:45 Atlanta (ATL) N 21:00 Ontario, Los Angeles (ONT) 4
Southwest Airlines WN 2222 1-stop Boeing 737 MAX 8 (7M8) 6:15 Operates only on 2026-01-05
Mon 06:30 Atlanta (ATL) N 09:55 Ontario, Los Angeles (ONT) 4
Southwest Airlines WN 3154 1-stop Boeing 737 MAX 8 (7M8) 6:25 Operates only on 2026-01-05
Fri,Sun 17:25 Atlanta (ATL) N 22:00 Ontario, Los Angeles (ONT) 4
Southwest Airlines WN 1193 2-stop Boeing 737-700 (Scimitar Winglets) 7:35 Effective 2026-01-02 through 2026-01-04




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Southwest Airlines flights from Atlanta (ATL) to Ontario, Los Angeles (ONT).
Select flight date:
FLIGHT SCHEDULE
Non-Direct Flights:
Southwest Airlines WN209
06:25
Atlanta (ATL) N

09:10
Ontario, Los Angeles (ONT) 4
Effective 2026-06-07 through 2026-08-02
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 5:45, 1-stop
Boeing 737-700 (Scimitar Winglets)
Non-Direct Flights:
Southwest Airlines WN467
11:30
Atlanta (ATL) N

15:05
Ontario, Los Angeles (ONT) 4
Effective 2026-01-06 through 2026-01-14
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 6:35, 1-stop
Boeing 737-700 (Scimitar Winglets)
Non-Direct Flights:
Southwest Airlines WN467
11:30
Atlanta (ATL) N

15:05
Ontario, Los Angeles (ONT) 4
Effective 2026-01-18 through 2026-01-23
Mon
-
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 6:35, 1-stop
Boeing 737-700 (Scimitar Winglets)
Non-Direct Flights:
Southwest Airlines WN467
11:30
Atlanta (ATL) N

15:05
Ontario, Los Angeles (ONT) 4
Effective 2026-01-26 through 2026-02-04
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 6:35, 1-stop
Boeing 737-700 (Scimitar Winglets)
Non-Direct Flights:
Southwest Airlines WN467
11:30
Atlanta (ATL) N

15:05
Ontario, Los Angeles (ONT) 4
Operates only on 2026-02-08
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 6:35, 1-stop
Boeing 737-700 (Scimitar Winglets)
Non-Direct Flights:
Southwest Airlines WN467
11:35
Atlanta (ATL) N

15:40
Ontario, Los Angeles (ONT) 4
Effective 2026-02-10 through 2026-02-11
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 7:05, 1-stop
Boeing 737-700 (Scimitar Winglets)
Non-Direct Flights:
Southwest Airlines WN467
11:35
Atlanta (ATL) N

15:40
Ontario, Los Angeles (ONT) 4
Effective 2026-02-18 through 2026-03-04
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 7:05, 1-stop
Boeing 737-700 (Scimitar Winglets)
Non-Direct Flights:
Southwest Airlines WN1413
08:55
Atlanta (ATL) N

11:40
Ontario, Los Angeles (ONT) 4
Effective 2026-06-07 through 2026-08-02
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 5:45, 1-stop
Boeing 737 MAX 8 (7M8)
Non-Direct Flights:
Southwest Airlines WN2123
15:15
Atlanta (ATL) N

18:40
Ontario, Los Angeles (ONT) 4
Effective 2026-01-06 through 2026-01-14
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 6:25, 1-stop
Boeing 737-800 (73H)
Non-Direct Flights:
Southwest Airlines WN2123
15:15
Atlanta (ATL) N

18:40
Ontario, Los Angeles (ONT) 4
Effective 2026-01-18 through 2026-01-23
Mon
-
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 6:25, 1-stop
Boeing 737-800 (73H)
Non-Direct Flights:
Southwest Airlines WN2123
15:15
Atlanta (ATL) N

18:40
Ontario, Los Angeles (ONT) 4
Effective 2026-01-26 through 2026-02-04
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 6:25, 1-stop
Boeing 737-800 (73H)
Non-Direct Flights:
Southwest Airlines WN2123
15:15
Atlanta (ATL) N

18:40
Ontario, Los Angeles (ONT) 4
Effective 2026-02-08 through 2026-02-11
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
Duration: 6:25, 1-stop
Boeing 737-800 (73H)
Non-Direct Flights:
Southwest Airlines WN2123
15:15
Atlanta (ATL) N

18:40
Ontario, Los Angeles (ONT) 4
Effective 2026-02-18 through 2026-03-04
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 6:25, 1-stop
Boeing 737-800 (73H)
Non-Direct Flights:
Southwest Airlines WN2222
17:45
Atlanta (ATL) N

21:00
Ontario, Los Angeles (ONT) 4
Operates only on 2026-01-05
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 6:15, 1-stop
Boeing 737 MAX 8 (7M8)
Non-Direct Flights:
Southwest Airlines WN3154
06:30
Atlanta (ATL) N

09:55
Ontario, Los Angeles (ONT) 4
Operates only on 2026-01-05
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 6:25, 1-stop
Boeing 737 MAX 8 (7M8)
Non-Direct Flights:
Southwest Airlines WN1193
17:25
Atlanta (ATL) N

22:00
Ontario, Los Angeles (ONT) 4
Effective 2026-01-02 through 2026-01-04
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
Duration: 7:35, 2-stop
Boeing 737-700 (Scimitar Winglets)
  • A domestic route departing from the Atlanta airport (ATL) and arriving at Ontario, Los Angeles airport (ONT).
  • The flight distance is 1895 miles, or 3049 km.
  • The timezone of the departure airport is UTC-5 , 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.
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