Southwest Airlines flights from Denver (DEN) to Ontario, Los Angeles (ONT).
| FLIGHT SCHEDULE |
|---|
| Direct Flights: |
| Sat
09:05
Denver (DEN)
10:20
Ontario, Los Angeles (ONT) 4 Southwest Airlines WN 4794 Non-stop Boeing 737-800 (73H) 2:15 Effective 2026-08-08 through 2026-09-26 |
| Mon-Fri
08:45
Denver (DEN)
10:20
Ontario, Los Angeles (ONT) 4 Southwest Airlines WN 4942 Non-stop Boeing 737-800 (73H) 2:35 Effective 2026-01-06 through 2026-01-14 |
| Tue-Fri,Sun
08:45
Denver (DEN)
10:20
Ontario, Los Angeles (ONT) 4 Southwest Airlines WN 4942 Non-stop Boeing 737-800 (73H) 2:35 Effective 2026-01-18 through 2026-01-23 |
| Mon-Fri
08:45
Denver (DEN)
10:20
Ontario, Los Angeles (ONT) 4 Southwest Airlines WN 4942 Non-stop Boeing 737-800 (73H) 2:35 Effective 2026-01-26 through 2026-02-04 |
| Tue,Wed,Sun
08:45
Denver (DEN)
10:20
Ontario, Los Angeles (ONT) 4 Southwest Airlines WN 4942 Non-stop Boeing 737-800 (73H) 2:35 Effective 2026-02-08 through 2026-02-11 |
| Wed
08:45
Denver (DEN)
10:20
Ontario, Los Angeles (ONT) 4 Southwest Airlines WN 4942 Non-stop Boeing 737 MAX 8 (7M8) 2:35 Operates only on 2026-02-18 |
| Tue,Wed
08:45
Denver (DEN)
10:20
Ontario, Los Angeles (ONT) 4 Southwest Airlines WN 4942 Non-stop Boeing 737-800 (73H) 2:35 Effective 2026-02-24 through 2026-02-25 |
| Tue
08:45
Denver (DEN)
10:20
Ontario, Los Angeles (ONT) 4 Southwest Airlines WN 4942 Non-stop Boeing 737 MAX 8 (7M8) 2:35 Operates only on 2026-03-03 |
| Wed
08:45
Denver (DEN)
10:20
Ontario, Los Angeles (ONT) 4 Southwest Airlines WN 4942 Non-stop Boeing 737-800 (73H) 2:35 Operates only on 2026-03-04 |
| Sat
20:40
Denver (DEN)
22:10
Ontario, Los Angeles (ONT) 4 Southwest Airlines WN 4942 Non-stop Boeing 737 MAX 8 (7M8) 2:30 Effective 2026-02-14 through 2026-02-28 |
| Thu,Fri,Sun
20:50
Denver (DEN)
22:20
Ontario, Los Angeles (ONT) 4 Southwest Airlines WN 4942 Non-stop Boeing 737 MAX 8 (7M8) 2:30 Effective 2026-01-11 through 2026-01-16 |
| Mon,Sun
20:50
Denver (DEN)
22:20
Ontario, Los Angeles (ONT) 4 Southwest Airlines WN 4942 Non-stop Boeing 737 MAX 8 (7M8) 2:30 Effective 2026-01-19 through 2026-01-25 |
| Thu,Fri,Sun
20:50
Denver (DEN)
22:20
Ontario, Los Angeles (ONT) 4 Southwest Airlines WN 4942 Non-stop Boeing 737 MAX 8 (7M8) 2:30 Effective 2026-02-01 through 2026-02-06 |
| Mon,Sun
20:50
Denver (DEN)
22:20
Ontario, Los Angeles (ONT) 4 Southwest Airlines WN 4942 Non-stop Boeing 737 MAX 8 (7M8) 2:30 Effective 2026-02-09 through 2026-02-15 |
| Mon,Tue,Thu
20:50
Denver (DEN)
22:20
Ontario, Los Angeles (ONT) 4 Southwest Airlines WN 4942 Non-stop Boeing 737 MAX 8 (7M8) 2:30 Effective 2026-02-17 through 2026-02-23 |
| Mon
20:50
Denver (DEN)
22:20
Ontario, Los Angeles (ONT) 4 Southwest Airlines WN 4942 Non-stop Boeing 737 MAX 8 (7M8) 2:30 Operates only on 2026-03-02 |
| Mon,Thu,Fri
21:55
Denver (DEN)
23:35
Ontario, Los Angeles (ONT) 4 Southwest Airlines WN 4942 Non-stop Boeing 737-800 (73H) 2:40 Effective 2026-02-12 through 2026-02-16 |
| Thu,Fri,Sun
21:55
Denver (DEN)
23:35
Ontario, Los Angeles (ONT) 4 Southwest Airlines WN 4942 Non-stop Boeing 737-800 (73H) 2:40 Effective 2026-02-20 through 2026-03-01 |
| Sat
15:05
Denver (DEN)
16:25
Ontario, Los Angeles (ONT) 4 Southwest Airlines WN 5042 Non-stop Boeing 737-700 (Scimitar Winglets) 2:20 Effective 2026-08-08 through 2026-09-26 |
| Non-Direct Flights: |
| Mon,Thu,Fri
08:30
Denver (DEN)
11:20
Ontario, Los Angeles (ONT) 4 Southwest Airlines WN 431 1-stop Boeing 737-800 (73H) 3:50 Effective 2026-06-04 through 2026-08-03 |
| Sun
17:20
Denver (DEN)
20:20
Ontario, Los Angeles (ONT) 4 Southwest Airlines WN 1104 1-stop Boeing 737-700 (Scimitar Winglets) 4:00 Effective 2026-03-08 through 2026-04-05 |
| Mon,Thu,Fri
17:40
Denver (DEN)
21:20
Ontario, Los Angeles (ONT) 4 Southwest Airlines WN 1142 1-stop Boeing 737-700 (Scimitar Winglets) 4:40 Effective 2026-03-05 through 2026-04-06 |
| Sat
08:45
Denver (DEN)
12:15
Ontario, Los Angeles (ONT) 4 Southwest Airlines WN 1173 1-stop Boeing 737-700 (Scimitar Winglets) 4:30 Effective 2026-04-11 through 2026-05-30 |
| Tue,Wed
09:35
Denver (DEN)
12:55
Ontario, Los Angeles (ONT) 4 Southwest Airlines WN 1450 1-stop Boeing 737-700 (Scimitar Winglets) 4:20 Effective 2026-06-09 through 2026-07-29 |
| Mon,Thu,Fri
17:30
Denver (DEN)
20:10
Ontario, Los Angeles (ONT) 4 Southwest Airlines WN 1564 1-stop Boeing 737-700 (Scimitar Winglets) 3:40 Effective 2026-06-04 through 2026-08-03 |
| Sun
18:45
Denver (DEN)
21:25
Ontario, Los Angeles (ONT) 4 Southwest Airlines WN 1565 1-stop Boeing 737-700 (Scimitar Winglets) 3:40 Effective 2026-06-07 through 2026-08-02 |
| Mon,Thu,Fri
11:30
Denver (DEN)
15:00
Ontario, Los Angeles (ONT) 4 Southwest Airlines WN 1706 1-stop Boeing 737-700 (Scimitar Winglets) 4:30 Effective 2026-04-09 through 2026-06-01 |
| Sun
17:40
Denver (DEN)
20:35
Ontario, Los Angeles (ONT) 4 Southwest Airlines WN 1902 1-stop Boeing 737-800 (73H) 3:55 Effective 2026-04-12 through 2026-05-17 |
| Sun
17:40
Denver (DEN)
20:35
Ontario, Los Angeles (ONT) 4 Southwest Airlines WN 1902 1-stop Boeing 737-800 (73H) 3:55 Operates only on 2026-05-31 |
| Mon,Thu,Fri
08:35
Denver (DEN)
12:10
Ontario, Los Angeles (ONT) 4 Southwest Airlines WN 1966 1-stop Boeing 737 MAX 8 (7M8) 4:35 Effective 2026-04-09 through 2026-06-01 |
| Sat
12:50
Denver (DEN)
15:35
Ontario, Los Angeles (ONT) 4 Southwest Airlines WN 2139 1-stop Boeing 737-700 (Scimitar Winglets) 3:45 Effective 2026-04-11 through 2026-05-30 |
| Sun
18:30
Denver (DEN)
21:10
Ontario, Los Angeles (ONT) 4 Southwest Airlines WN 2953 1-stop Boeing 737-700 (Scimitar Winglets) 3:40 Effective 2026-03-08 through 2026-04-05 |
| Mon,Thu,Fri
07:45
Denver (DEN)
13:25
Ontario, Los Angeles (ONT) 4 Southwest Airlines WN 300 2-stop Boeing 737-700 (Scimitar Winglets) 6:40 Effective 2026-06-04 through 2026-08-03 |
| Sun
15:35
Denver (DEN)
20:10
Ontario, Los Angeles (ONT) 4 Southwest Airlines WN 3078 2-stop Boeing 737-700 (Scimitar Winglets) 5:35 Effective 2026-04-12 through 2026-05-17 |
| Sun
15:35
Denver (DEN)
20:10
Ontario, Los Angeles (ONT) 4 Southwest Airlines WN 3078 2-stop Boeing 737-700 (Scimitar Winglets) 5:35 Operates only on 2026-05-31 |
- A domestic route departing from the Denver airport (DEN) and arriving at Ontario, Los Angeles airport (ONT).
- The flight distance is 817 miles, or 1315 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 2:15 and 2:40.
