Southwest Airlines flights from Ontario, Los Angeles (ONT) to Denver (DEN).
| FLIGHT SCHEDULE |
|---|
| Direct Flights: |
| Tue,Wed
06:55
Ontario, Los Angeles (ONT) 4
10:05
Denver (DEN) Southwest Airlines WN 113 Non-stop Boeing 737 MAX 8 (7M8) 2:10 Effective 2026-04-07 through 2026-06-03 |
| Mon,Thu,Fri
08:00
Ontario, Los Angeles (ONT) 4
11:10
Denver (DEN) Southwest Airlines WN 113 Non-stop Boeing 737-800 (73H) 2:10 Effective 2026-04-09 through 2026-06-01 |
| Sun
08:10
Ontario, Los Angeles (ONT) 4
11:20
Denver (DEN) Southwest Airlines WN 113 Non-stop Boeing 737 MAX 8 (7M8) 2:10 Effective 2026-04-12 through 2026-05-17 |
| Sun
08:10
Ontario, Los Angeles (ONT) 4
11:20
Denver (DEN) Southwest Airlines WN 113 Non-stop Boeing 737 MAX 8 (7M8) 2:10 Operates only on 2026-05-31 |
| Sun
09:15
Ontario, Los Angeles (ONT) 4
12:25
Denver (DEN) Southwest Airlines WN 113 Non-stop Boeing 737-800 (73H) 2:10 Operates only on 2026-05-24 |
| Sat
09:30
Ontario, Los Angeles (ONT) 4
12:40
Denver (DEN) Southwest Airlines WN 113 Non-stop Boeing 737-700 (Scimitar Winglets) 2:10 Effective 2026-04-11 through 2026-05-30 |
| Tue,Wed
13:50
Ontario, Los Angeles (ONT) 4
17:05
Denver (DEN) Southwest Airlines WN 196 Non-stop Boeing 737 MAX 8 (7M8) 2:15 Effective 2026-08-04 through 2026-09-30 |
| Mon,Thu,Fri
14:00
Ontario, Los Angeles (ONT) 4
17:15
Denver (DEN) Southwest Airlines WN 239 Non-stop Boeing 737-700 (Scimitar Winglets) 2:15 Effective 2026-08-06 through 2026-09-28 |
| Mon
05:50
Ontario, Los Angeles (ONT) 4
09:05
Denver (DEN) Southwest Airlines WN 314 Non-stop Boeing 737 MAX 8 (7M8) 2:15 Operates only on 2026-01-05 |
| Mon,Tue,Fri,Sun
05:55
Ontario, Los Angeles (ONT) 4
09:10
Denver (DEN) Southwest Airlines WN 314 Non-stop Boeing 737-800 (73H) 2:15 Valid until 2026-01-04 |
| Sat
06:00
Ontario, Los Angeles (ONT) 4
09:15
Denver (DEN) Southwest Airlines WN 314 Non-stop Boeing 737 MAX 8 (7M8) 2:15 Valid until 2026-01-03 |
| Wed,Thu
11:15
Ontario, Los Angeles (ONT) 4
14:25
Denver (DEN) Southwest Airlines WN 314 Non-stop Boeing 737-800 (73H) 2:10 Valid until 2026-01-01 |
| Mon,Thu,Fri
06:20
Ontario, Los Angeles (ONT) 4
09:35
Denver (DEN) Southwest Airlines WN 319 Non-stop Boeing 737-800 (73H) 2:15 Effective 2026-08-06 through 2026-09-28 |
| Tue,Wed
13:40
Ontario, Los Angeles (ONT) 4
16:55
Denver (DEN) Southwest Airlines WN 542 Non-stop Boeing 737-700 (Scimitar Winglets) 2:15 Effective 2026-03-10 through 2026-04-01 |
| Sun
15:10
Ontario, Los Angeles (ONT) 4
18:20
Denver (DEN) Southwest Airlines WN 670 Non-stop Boeing 737-700 (Scimitar Winglets) 2:10 Effective 2026-06-07 through 2026-08-02 |
| Tue,Wed
09:20
Ontario, Los Angeles (ONT) 4
12:30
Denver (DEN) Southwest Airlines WN 787 Non-stop Boeing 737 MAX 8 (7M8) 2:10 Effective 2026-03-10 through 2026-04-01 |
| Sat
14:35
Ontario, Los Angeles (ONT) 4
17:45
Denver (DEN) Southwest Airlines WN 787 Non-stop Boeing 737-700 (Scimitar Winglets) 2:10 Effective 2026-03-07 through 2026-04-04 |
| Mon,Thu,Fri
14:50
Ontario, Los Angeles (ONT) 4
18:00
Denver (DEN) Southwest Airlines WN 787 Non-stop Boeing 737-800 (73H) 2:10 Effective 2026-03-05 through 2026-04-06 |
| Sun
15:05
Ontario, Los Angeles (ONT) 4
18:15
Denver (DEN) Southwest Airlines WN 787 Non-stop Boeing 737 MAX 8 (7M8) 2:10 Effective 2026-03-08 through 2026-04-05 |
| Sun
17:55
Ontario, Los Angeles (ONT) 4
21:10
Denver (DEN) Southwest Airlines WN 1228 Non-stop Boeing 737-800 (73H) 2:15 Effective 2026-08-09 through 2026-09-27 |
| Sat
06:20
Ontario, Los Angeles (ONT) 4
09:30
Denver (DEN) Southwest Airlines WN 1666 Non-stop Boeing 737-700 (Scimitar Winglets) 2:10 Effective 2026-04-11 through 2026-05-30 |
| Mon,Thu,Fri,Sun
06:25
Ontario, Los Angeles (ONT) 4
09:35
Denver (DEN) Southwest Airlines WN 1666 Non-stop Boeing 737 MAX 8 (7M8) 2:10 Effective 2026-04-09 through 2026-05-22 |
| Mon,Thu,Fri,Sun
06:25
Ontario, Los Angeles (ONT) 4
09:35
Denver (DEN) Southwest Airlines WN 1666 Non-stop Boeing 737 MAX 8 (7M8) 2:10 Effective 2026-05-25 through 2026-06-01 |
| Sun
06:40
Ontario, Los Angeles (ONT) 4
09:50
Denver (DEN) Southwest Airlines WN 1666 Non-stop Boeing 737 MAX 8 (7M8) 2:10 Operates only on 2026-05-24 |
| Tue,Wed
10:40
Ontario, Los Angeles (ONT) 4
13:55
Denver (DEN) Southwest Airlines WN 1666 Non-stop Boeing 737-700 (Scimitar Winglets) 2:15 Effective 2026-04-07 through 2026-06-03 |
| Fri,Sun
16:05
Ontario, Los Angeles (ONT) 4
19:15
Denver (DEN) Southwest Airlines WN 1989 Non-stop Boeing 737-700 (Scimitar Winglets) 2:10 Effective 2026-01-02 through 2026-01-04 |
| Mon,Thu,Fri
05:20
Ontario, Los Angeles (ONT) 4
08:35
Denver (DEN) Southwest Airlines WN 2220 Non-stop Boeing 737-800 (73H) 2:15 Effective 2026-02-12 through 2026-02-16 |
| Thu,Fri,Sun
05:20
Ontario, Los Angeles (ONT) 4
08:35
Denver (DEN) Southwest Airlines WN 2220 Non-stop Boeing 737-800 (73H) 2:15 Effective 2026-02-20 through 2026-03-01 |
| Sat
05:40
Ontario, Los Angeles (ONT) 4
08:55
Denver (DEN) Southwest Airlines WN 2220 Non-stop Boeing 737-700 (Scimitar Winglets) 2:15 Effective 2026-01-10 through 2026-02-07 |
| Thu,Fri,Sun
05:50
Ontario, Los Angeles (ONT) 4
09:05
Denver (DEN) Southwest Airlines WN 2220 Non-stop Boeing 737-700 (Scimitar Winglets) 2:15 Effective 2026-01-11 through 2026-01-16 |
| Mon,Sun
05:50
Ontario, Los Angeles (ONT) 4
09:05
Denver (DEN) Southwest Airlines WN 2220 Non-stop Boeing 737-700 (Scimitar Winglets) 2:15 Effective 2026-01-19 through 2026-01-25 |
| Thu,Fri,Sun
05:50
Ontario, Los Angeles (ONT) 4
09:05
Denver (DEN) Southwest Airlines WN 2220 Non-stop Boeing 737-700 (Scimitar Winglets) 2:15 Effective 2026-02-01 through 2026-02-06 |
| Mon,Sun
05:50
Ontario, Los Angeles (ONT) 4
09:05
Denver (DEN) Southwest Airlines WN 2220 Non-stop Boeing 737-700 (Scimitar Winglets) 2:15 Effective 2026-02-09 through 2026-02-15 |
| Mon,Tue,Thu
05:50
Ontario, Los Angeles (ONT) 4
09:05
Denver (DEN) Southwest Airlines WN 2220 Non-stop Boeing 737-700 (Scimitar Winglets) 2:15 Effective 2026-02-17 through 2026-02-23 |
| Mon
05:50
Ontario, Los Angeles (ONT) 4
09:05
Denver (DEN) Southwest Airlines WN 2220 Non-stop Boeing 737-700 (Scimitar Winglets) 2:15 Operates only on 2026-03-02 |
| Mon-Fri
06:30
Ontario, Los Angeles (ONT) 4
09:40
Denver (DEN) Southwest Airlines WN 2220 Non-stop Boeing 737 MAX 8 (7M8) 2:10 Effective 2026-01-06 through 2026-01-14 |
| Tue-Fri,Sun
06:30
Ontario, Los Angeles (ONT) 4
09:40
Denver (DEN) Southwest Airlines WN 2220 Non-stop Boeing 737 MAX 8 (7M8) 2:10 Effective 2026-01-18 through 2026-01-23 |
| Mon-Fri
06:30
Ontario, Los Angeles (ONT) 4
09:40
Denver (DEN) Southwest Airlines WN 2220 Non-stop Boeing 737 MAX 8 (7M8) 2:10 Effective 2026-01-26 through 2026-02-04 |
| Sun
06:30
Ontario, Los Angeles (ONT) 4
09:40
Denver (DEN) Southwest Airlines WN 2220 Non-stop Boeing 737 MAX 8 (7M8) 2:10 Operates only on 2026-02-08 |
| Tue,Wed
06:30
Ontario, Los Angeles (ONT) 4
09:40
Denver (DEN) Southwest Airlines WN 2220 Non-stop Boeing 737-700 (Scimitar Winglets) 2:10 Effective 2026-02-10 through 2026-02-11 |
| Tue,Wed
06:30
Ontario, Los Angeles (ONT) 4
09:40
Denver (DEN) Southwest Airlines WN 2220 Non-stop Boeing 737-700 (Scimitar Winglets) 2:10 Effective 2026-02-18 through 2026-03-04 |
| Sat
06:55
Ontario, Los Angeles (ONT) 4
10:15
Denver (DEN) Southwest Airlines WN 2220 Non-stop Boeing 737-800 (73H) 2:20 Effective 2026-02-14 through 2026-02-28 |
| Wed,Thu
05:45
Ontario, Los Angeles (ONT) 4
09:00
Denver (DEN) Southwest Airlines WN 2310 Non-stop Boeing 737 MAX 8 (7M8) 2:15 Valid until 2026-01-01 |
| Fri,Sun
08:30
Ontario, Los Angeles (ONT) 4
11:40
Denver (DEN) Southwest Airlines WN 2310 Non-stop Boeing 737-700 (Scimitar Winglets) 2:10 Effective 2026-01-02 through 2026-01-04 |
| Mon
08:30
Ontario, Los Angeles (ONT) 4
11:40
Denver (DEN) Southwest Airlines WN 2310 Non-stop Boeing 737 MAX 8 (7M8) 2:10 Operates only on 2026-01-05 |
| Mon-Fri
08:55
Ontario, Los Angeles (ONT) 4
12:10
Denver (DEN) Southwest Airlines WN 2442 Non-stop Boeing 737-700 (Scimitar Winglets) 2:15 Effective 2026-01-06 through 2026-01-14 |
| Tue-Fri,Sun
08:55
Ontario, Los Angeles (ONT) 4
12:10
Denver (DEN) Southwest Airlines WN 2442 Non-stop Boeing 737-700 (Scimitar Winglets) 2:15 Effective 2026-01-18 through 2026-01-23 |
| Mon-Wed
08:55
Ontario, Los Angeles (ONT) 4
12:10
Denver (DEN) Southwest Airlines WN 2442 Non-stop Boeing 737-700 (Scimitar Winglets) 2:15 Effective 2026-01-26 through 2026-01-28 |
| Tue,Wed,Sun
08:55
Ontario, Los Angeles (ONT) 4
12:10
Denver (DEN) Southwest Airlines WN 2442 Non-stop Boeing 737-700 (Scimitar Winglets) 2:15 Effective 2026-02-08 through 2026-02-11 |
| Tue,Wed
08:55
Ontario, Los Angeles (ONT) 4
12:10
Denver (DEN) Southwest Airlines WN 2442 Non-stop Boeing 737-700 (Scimitar Winglets) 2:15 Effective 2026-02-18 through 2026-03-04 |
- A domestic route departing from the Ontario, Los Angeles airport (ONT) and arriving at Denver airport (DEN).
- The flight distance is 817 miles, or 1315 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 2:10 and 2:20.
