All airlines flying from Ontario, Los Angeles (ONT) to Denver (DEN).
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| 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 |
| Daily
13:00
Ontario, Los Angeles (ONT) 2
16:14
Denver (DEN) United Airlines UA 1263 Non-stop Airbus A320 (320) 2:14 Effective from 2026-05-21 |
| Mon-Wed,Fri,Sat
13:24
Ontario, Los Angeles (ONT) 2
16:43
Denver (DEN) United Airlines UA 1263 Non-stop Boeing 737 MAX 9 (7M9) 2:19 Effective 2026-01-06 through 2026-02-11 |
| Thu
13:24
Ontario, Los Angeles (ONT) 2
16:43
Denver (DEN) United Airlines UA 1263 Non-stop Airbus A319 (319) 2:19 Effective 2026-01-08 through 2026-02-05 |
| Sun
13:24
Ontario, Los Angeles (ONT) 2
16:43
Denver (DEN) United Airlines UA 1263 Non-stop Boeing 737-900 (739) 2:19 Effective 2026-01-11 through 2026-02-08 |
| Daily
13:34
Ontario, Los Angeles (ONT) 2
16:56
Denver (DEN) United Airlines UA 1263 Non-stop Airbus A319 (319) 2:22 Effective 2026-03-29 through 2026-04-29 |
| Daily
13:40
Ontario, Los Angeles (ONT) 2
17:02
Denver (DEN) United Airlines UA 1263 Non-stop Boeing 737-800 (738) 2:22 Effective 2026-04-30 through 2026-05-20 |
| Daily
13:45
Ontario, Los Angeles (ONT) 2
17:01
Denver (DEN) United Airlines UA 1263 Non-stop Boeing 737-800 (738) 2:16 Effective 2026-02-12 through 2026-03-04 |
| Mon,Wed-Sun
13:50
Ontario, Los Angeles (ONT) 2
17:03
Denver (DEN) United Airlines UA 1263 Non-stop Boeing 737-800 (738) 2:13 Effective 2026-03-05 through 2026-03-27 |
| Tue
13:50
Ontario, Los Angeles (ONT) 2
17:04
Denver (DEN) United Airlines UA 1263 Non-stop Airbus A320 (320) 2:14 Effective 2026-03-10 through 2026-03-24 |
| Sat
13:50
Ontario, Los Angeles (ONT) 2
17:02
Denver (DEN) United Airlines UA 1263 Non-stop Boeing 737-800 (738) 2:12 Operates only on 2026-03-28 |
| Daily
13:40
Ontario, Los Angeles (ONT) 2
16:56
Denver (DEN) United Airlines UA 1305 Non-stop Boeing 737-800 (738) 2:16 Valid until 2026-01-05 |
| Mon,Thu,Fri,Sun
06:00
Ontario, Los Angeles (ONT)
09:26
Denver (DEN) Frontier Airlines F9 1500 Non-stop Airbus A320neo (32N) 2:26 Effective 2026-01-08 through 2026-01-12 |
| Fri
06:00
Ontario, Los Angeles (ONT)
09:20
Denver (DEN) Frontier Airlines F9 1500 Non-stop Airbus A320neo (32N) 2:20 Effective 2026-02-13 through 2026-02-27 |
| Sat
06:00
Ontario, Los Angeles (ONT)
09:20
Denver (DEN) Frontier Airlines F9 1500 Non-stop Airbus A321neo (32Q) 2:20 Effective 2026-02-14 through 2026-02-28 |
| Daily
06:00
Ontario, Los Angeles (ONT)
09:26
Denver (DEN) Frontier Airlines F9 1500 Non-stop Airbus A321 (321) 2:26 Effective 2026-04-01 through 2026-04-13 |
| Thu
06:05
Ontario, Los Angeles (ONT)
09:25
Denver (DEN) Frontier Airlines F9 1500 Non-stop Airbus A320neo (32N) 2:20 Effective 2026-02-12 through 2026-03-05 |
| Thu
06:10
Ontario, Los Angeles (ONT)
09:30
Denver (DEN) Frontier Airlines F9 1500 Non-stop Airbus A321neo (32Q) 2:20 Operates only on 2026-01-15 |
| Fri
06:10
Ontario, Los Angeles (ONT)
09:30
Denver (DEN) Frontier Airlines F9 1500 Non-stop Airbus A320 (320) 2:20 Operates only on 2026-01-16 |
| Mon,Sun
06:10
Ontario, Los Angeles (ONT)
09:30
Denver (DEN) Frontier Airlines F9 1500 Non-stop Airbus A320neo (32N) 2:20 Effective 2026-01-18 through 2026-01-19 |
| Mon,Sun
06:10
Ontario, Los Angeles (ONT)
09:30
Denver (DEN) Frontier Airlines F9 1500 Non-stop Airbus A320neo (32N) 2:20 Effective 2026-02-15 through 2026-03-02 |
| Daily
06:15
Ontario, Los Angeles (ONT)
09:35
Denver (DEN) Frontier Airlines F9 1500 Non-stop Airbus A320neo (32N) 2:20 Effective 2026-03-06 through 2026-03-31 |
| Mon,Thu
06:20
Ontario, Los Angeles (ONT)
09:40
Denver (DEN) Frontier Airlines F9 1500 Non-stop Airbus A321neo (32Q) 2:20 Effective 2026-01-22 through 2026-02-09 |
| Fri,Sun
06:20
Ontario, Los Angeles (ONT)
09:40
Denver (DEN) Frontier Airlines F9 1500 Non-stop Airbus A320neo (32N) 2:20 Effective 2026-01-23 through 2026-02-08 |
| Mon,Tue,Sat,Sun
06:45
Ontario, Los Angeles (ONT)
10:06
Denver (DEN) Frontier Airlines F9 1500 Non-stop Airbus A321neo (32Q) 2:21 Valid until 2026-01-04 |
| Mon,Wed,Fri
06:45
Ontario, Los Angeles (ONT)
10:06
Denver (DEN) Frontier Airlines F9 1500 Non-stop Airbus A320neo (32N) 2:21 Valid until 2026-01-05 |
| Thu
06:45
Ontario, Los Angeles (ONT)
10:06
Denver (DEN) Frontier Airlines F9 1500 Non-stop Airbus A321 (321) 2:21 Operates only on 2026-01-01 |
| Tue
07:00
Ontario, Los Angeles (ONT)
10:22
Denver (DEN) Frontier Airlines F9 1500 Non-stop Airbus A321neo (32Q) 2:22 Operates only on 2026-01-06 |
| Wed,Sat
07:00
Ontario, Los Angeles (ONT)
10:22
Denver (DEN) Frontier Airlines F9 1500 Non-stop Airbus A320neo (32N) 2:22 Effective 2026-01-07 through 2026-01-10 |
| Tue
07:15
Ontario, Los Angeles (ONT)
10:40
Denver (DEN) Frontier Airlines F9 1500 Non-stop Airbus A321neo (32Q) 2:25 Effective 2026-01-13 through 2026-01-20 |
| Wed,Sat
07:15
Ontario, Los Angeles (ONT)
10:40
Denver (DEN) Frontier Airlines F9 1500 Non-stop Airbus A320neo (32N) 2:25 Effective 2026-01-14 through 2026-01-24 |
Ad flat here 8924483383 I FlightInfo Lower
Parallax here ONT-DEN
- 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 2:26.
