Volaris flight Y4 2109: Denver - Ontario, Los Angeles

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Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Tue 13:34 Denver (DEN) 15:07 Ontario, Los Angeles (ONT)
Y4 2109 Non-stop Airbus A320 (320) 2:33 Effective 2026-01-20 through 2026-02-03
Codeshare flight, operated by Frontier Airlines.(F9)
Wed 13:34 Denver (DEN) 15:07 Ontario, Los Angeles (ONT)
Y4 2109 Non-stop Airbus A321 (321) 2:33 Effective 2026-01-21 through 2026-02-04
Codeshare flight, operated by Frontier Airlines.(F9)
Tue,Wed 20:00 Denver (DEN) 21:34 Ontario, Los Angeles (ONT)
Y4 2109 Non-stop Airbus A320 (320) 2:34 Effective 2026-02-10 through 2026-03-04
Codeshare flight, operated by Frontier Airlines.(F9)
Tue 20:45 Denver (DEN) 22:12 Ontario, Los Angeles (ONT)
Y4 2109 Non-stop Airbus A320 (320) 2:27 Operates only on 2026-01-06
Codeshare flight, operated by Frontier Airlines.(F9)
Tue,Sat 21:20 Denver (DEN) 22:59 Ontario, Los Angeles (ONT)
Y4 2109 Non-stop Airbus A320 (320) 2:39 Effective 2026-01-13 through 2026-01-17
Codeshare flight, operated by Frontier Airlines.(F9)
Wed 21:20 Denver (DEN) 22:59 Ontario, Los Angeles (ONT)
Y4 2109 Non-stop Airbus A321 (321) 2:39 Operates only on 2026-01-14
Codeshare flight, operated by Frontier Airlines.(F9)
Wed,Sat 21:45 Denver (DEN) 23:14 Ontario, Los Angeles (ONT)
Y4 2109 Non-stop Airbus A320 (320) 2:29 Effective 2026-01-07 through 2026-01-10
Codeshare flight, operated by Frontier Airlines.(F9)
Sat 21:45 Denver (DEN) 23:24 Ontario, Los Angeles (ONT)
Y4 2109 Non-stop Airbus A320 (320) 2:39 Effective 2026-01-24 through 2026-02-07
Codeshare flight, operated by Frontier Airlines.(F9)
Daily 22:30 Denver (DEN) 00:01 Ontario, Los Angeles (ONT)
Y4 2109 Non-stop Airbus A320 (320) 2:31 Effective 2026-03-06 through 2026-03-31
Codeshare flight, operated by Frontier Airlines.(F9)
The flight arrives 1 day after departure.
Daily 22:32 Denver (DEN) 23:59 Ontario, Los Angeles (ONT)
Y4 2109 Non-stop Airbus A321 (321) 2:27 Effective 2026-04-02 through 2026-04-13
Codeshare flight, operated by Frontier Airlines.(F9)
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Volaris flight Y4 2109:
Denver - Ontario, Los Angeles
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Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Volaris Y42109
13:34
Denver (DEN)

15:07
Ontario, Los Angeles (ONT)
Effective 2026-01-20 through 2026-02-03
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Frontier Airlines.(F9)
Duration: 2:33, non-stop
Airbus A320 (320)
Direct Codeshare Flights:
Volaris Y42109
13:34
Denver (DEN)

15:07
Ontario, Los Angeles (ONT)
Effective 2026-01-21 through 2026-02-04
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Frontier Airlines.(F9)
Duration: 2:33, non-stop
Airbus A321 (321)
Direct Codeshare Flights:
Volaris Y42109
20:00
Denver (DEN)

21:34
Ontario, Los Angeles (ONT)
Effective 2026-02-10 through 2026-03-04
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Frontier Airlines.(F9)
Duration: 2:34, non-stop
Airbus A320 (320)
Direct Codeshare Flights:
Volaris Y42109
20:45
Denver (DEN)

22:12
Ontario, Los Angeles (ONT)
Operates only on 2026-01-06
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Frontier Airlines.(F9)
Duration: 2:27, non-stop
Airbus A320 (320)
Direct Codeshare Flights:
Volaris Y42109
21:20
Denver (DEN)

22:59
Ontario, Los Angeles (ONT)
Effective 2026-01-13 through 2026-01-17
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by Frontier Airlines.(F9)
Duration: 2:39, non-stop
Airbus A320 (320)
Direct Codeshare Flights:
Volaris Y42109
21:20
Denver (DEN)

22:59
Ontario, Los Angeles (ONT)
Operates only on 2026-01-14
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Frontier Airlines.(F9)
Duration: 2:39, non-stop
Airbus A321 (321)
Direct Codeshare Flights:
Volaris Y42109
21:45
Denver (DEN)

23:14
Ontario, Los Angeles (ONT)
Effective 2026-01-07 through 2026-01-10
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by Frontier Airlines.(F9)
Duration: 2:29, non-stop
Airbus A320 (320)
Direct Codeshare Flights:
Volaris Y42109
21:45
Denver (DEN)

23:24
Ontario, Los Angeles (ONT)
Effective 2026-01-24 through 2026-02-07
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by Frontier Airlines.(F9)
Duration: 2:39, non-stop
Airbus A320 (320)
Direct Codeshare Flights:
Volaris Y42109
22:30
Denver (DEN)

00:01(+1)
Ontario, Los Angeles (ONT)
Effective 2026-03-06 through 2026-03-31
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Frontier Airlines.(F9)
Duration: 2:31, non-stop
Airbus A320 (320)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
Volaris Y42109
22:32
Denver (DEN)

23:59
Ontario, Los Angeles (ONT)
Effective 2026-04-02 through 2026-04-13
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Frontier Airlines.(F9)
Duration: 2:27, non-stop
Airbus A321 (321)
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  • Y4 2109 is a domestic flight 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 2:27 and 2:39.
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