Volaris flight Y4 2187: Ontario, Los Angeles - Denver

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Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Mon,Thu,Fri,Sun 06:00 Ontario, Los Angeles (ONT) 09:26 Denver (DEN)
Y4 2187 Non-stop Airbus A320 (320) 2:26 Effective 2026-01-08 through 2026-01-12
Codeshare flight, operated by Frontier Airlines.(F9)
Fri 06:00 Ontario, Los Angeles (ONT) 09:20 Denver (DEN)
Y4 2187 Non-stop Airbus A320 (320) 2:20 Effective 2026-02-13 through 2026-02-27
Codeshare flight, operated by Frontier Airlines.(F9)
Sat 06:00 Ontario, Los Angeles (ONT) 09:20 Denver (DEN)
Y4 2187 Non-stop Airbus A321 (321) 2:20 Effective 2026-02-14 through 2026-02-28
Codeshare flight, operated by Frontier Airlines.(F9)
Daily 06:00 Ontario, Los Angeles (ONT) 09:26 Denver (DEN)
Y4 2187 Non-stop Airbus A321 (321) 2:26 Effective 2026-04-01 through 2026-04-13
Codeshare flight, operated by Frontier Airlines.(F9)
Thu 06:05 Ontario, Los Angeles (ONT) 09:25 Denver (DEN)
Y4 2187 Non-stop Airbus A320 (320) 2:20 Effective 2026-02-12 through 2026-03-05
Codeshare flight, operated by Frontier Airlines.(F9)
Thu 06:10 Ontario, Los Angeles (ONT) 09:30 Denver (DEN)
Y4 2187 Non-stop Airbus A321 (321) 2:20 Operates only on 2026-01-15
Codeshare flight, operated by Frontier Airlines.(F9)
Mon,Fri,Sun 06:10 Ontario, Los Angeles (ONT) 09:30 Denver (DEN)
Y4 2187 Non-stop Airbus A320 (320) 2:20 Effective 2026-01-16 through 2026-01-19
Codeshare flight, operated by Frontier Airlines.(F9)
Mon,Sun 06:10 Ontario, Los Angeles (ONT) 09:30 Denver (DEN)
Y4 2187 Non-stop Airbus A320 (320) 2:20 Effective 2026-02-15 through 2026-03-02
Codeshare flight, operated by Frontier Airlines.(F9)
Daily 06:15 Ontario, Los Angeles (ONT) 09:35 Denver (DEN)
Y4 2187 Non-stop Airbus A320 (320) 2:20 Effective 2026-03-06 through 2026-03-31
Codeshare flight, operated by Frontier Airlines.(F9)
Mon,Thu 06:20 Ontario, Los Angeles (ONT) 09:40 Denver (DEN)
Y4 2187 Non-stop Airbus A321 (321) 2:20 Effective 2026-01-22 through 2026-02-09
Codeshare flight, operated by Frontier Airlines.(F9)
Fri,Sun 06:20 Ontario, Los Angeles (ONT) 09:40 Denver (DEN)
Y4 2187 Non-stop Airbus A320 (320) 2:20 Effective 2026-01-23 through 2026-02-08
Codeshare flight, operated by Frontier Airlines.(F9)
Mon,Tue,Thu,Sat,Sun 06:45 Ontario, Los Angeles (ONT) 10:06 Denver (DEN)
Y4 2187 Non-stop Airbus A321 (321) 2:21 Valid until 2026-01-04
Codeshare flight, operated by Frontier Airlines.(F9)
Mon,Wed,Fri 06:45 Ontario, Los Angeles (ONT) 10:06 Denver (DEN)
Y4 2187 Non-stop Airbus A320 (320) 2:21 Valid until 2026-01-05
Codeshare flight, operated by Frontier Airlines.(F9)
Tue 07:00 Ontario, Los Angeles (ONT) 10:22 Denver (DEN)
Y4 2187 Non-stop Airbus A321 (321) 2:22 Operates only on 2026-01-06
Codeshare flight, operated by Frontier Airlines.(F9)
Wed,Sat 07:00 Ontario, Los Angeles (ONT) 10:22 Denver (DEN)
Y4 2187 Non-stop Airbus A320 (320) 2:22 Effective 2026-01-07 through 2026-01-10
Codeshare flight, operated by Frontier Airlines.(F9)
Tue 07:15 Ontario, Los Angeles (ONT) 10:40 Denver (DEN)
Y4 2187 Non-stop Airbus A321 (321) 2:25 Effective 2026-01-13 through 2026-01-20
Codeshare flight, operated by Frontier Airlines.(F9)
Wed,Sat 07:15 Ontario, Los Angeles (ONT) 10:40 Denver (DEN)
Y4 2187 Non-stop Airbus A320 (320) 2:25 Effective 2026-01-14 through 2026-01-24
Codeshare flight, operated by Frontier Airlines.(F9)
Tue,Wed,Sat 07:15 Ontario, Los Angeles (ONT) 10:40 Denver (DEN)
Y4 2187 Non-stop Airbus A320 (320) 2:25 Effective 2026-01-27 through 2026-02-07
Codeshare flight, operated by Frontier Airlines.(F9)
Tue,Wed 07:30 Ontario, Los Angeles (ONT) 10:55 Denver (DEN)
Y4 2187 Non-stop Airbus A320 (320) 2:25 Effective 2026-02-10 through 2026-02-11
Codeshare flight, operated by Frontier Airlines.(F9)
Tue 07:30 Ontario, Los Angeles (ONT) 10:55 Denver (DEN)
Y4 2187 Non-stop Airbus A321 (321) 2:25 Effective 2026-02-17 through 2026-03-03
Codeshare flight, operated by Frontier Airlines.(F9)
Wed 07:30 Ontario, Los Angeles (ONT) 10:55 Denver (DEN)
Y4 2187 Non-stop Airbus A320 (320) 2:25 Effective 2026-02-18 through 2026-03-04
Codeshare flight, operated by Frontier Airlines.(F9)
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Volaris flight Y4 2187:
Ontario, Los Angeles - Denver
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Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Volaris Y42187
06:00
Ontario, Los Angeles (ONT)

09:26
Denver (DEN)
Effective 2026-01-08 through 2026-01-12
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by Frontier Airlines.(F9)
Duration: 2:26, non-stop
Airbus A320 (320)
Direct Codeshare Flights:
Volaris Y42187
06:00
Ontario, Los Angeles (ONT)

09:20
Denver (DEN)
Effective 2026-02-13 through 2026-02-27
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Codeshare flight, operated by Frontier Airlines.(F9)
Duration: 2:20, non-stop
Airbus A320 (320)
Direct Codeshare Flights:
Volaris Y42187
06:00
Ontario, Los Angeles (ONT)

09:20
Denver (DEN)
Effective 2026-02-14 through 2026-02-28
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by Frontier Airlines.(F9)
Duration: 2:20, non-stop
Airbus A321 (321)
Direct Codeshare Flights:
Volaris Y42187
06:00
Ontario, Los Angeles (ONT)

09:26
Denver (DEN)
Effective 2026-04-01 through 2026-04-13
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Frontier Airlines.(F9)
Duration: 2:26, non-stop
Airbus A321 (321)
Direct Codeshare Flights:
Volaris Y42187
06:05
Ontario, Los Angeles (ONT)

09:25
Denver (DEN)
Effective 2026-02-12 through 2026-03-05
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Frontier Airlines.(F9)
Duration: 2:20, non-stop
Airbus A320 (320)
Direct Codeshare Flights:
Volaris Y42187
06:10
Ontario, Los Angeles (ONT)

09:30
Denver (DEN)
Operates only on 2026-01-15
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Frontier Airlines.(F9)
Duration: 2:20, non-stop
Airbus A321 (321)
Direct Codeshare Flights:
Volaris Y42187
06:10
Ontario, Los Angeles (ONT)

09:30
Denver (DEN)
Effective 2026-01-16 through 2026-01-19
Mon
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
Codeshare flight, operated by Frontier Airlines.(F9)
Duration: 2:20, non-stop
Airbus A320 (320)
Direct Codeshare Flights:
Volaris Y42187
06:10
Ontario, Los Angeles (ONT)

09:30
Denver (DEN)
Effective 2026-02-15 through 2026-03-02
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by Frontier Airlines.(F9)
Duration: 2:20, non-stop
Airbus A320 (320)
Direct Codeshare Flights:
Volaris Y42187
06:15
Ontario, Los Angeles (ONT)

09:35
Denver (DEN)
Effective 2026-03-06 through 2026-03-31
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Frontier Airlines.(F9)
Duration: 2:20, non-stop
Airbus A320 (320)
Direct Codeshare Flights:
Volaris Y42187
06:20
Ontario, Los Angeles (ONT)

09:40
Denver (DEN)
Effective 2026-01-22 through 2026-02-09
Mon
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Frontier Airlines.(F9)
Duration: 2:20, non-stop
Airbus A321 (321)
Direct Codeshare Flights:
Volaris Y42187
06:20
Ontario, Los Angeles (ONT)

09:40
Denver (DEN)
Effective 2026-01-23 through 2026-02-08
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
Codeshare flight, operated by Frontier Airlines.(F9)
Duration: 2:20, non-stop
Airbus A320 (320)
Direct Codeshare Flights:
Volaris Y42187
06:45
Ontario, Los Angeles (ONT)

10:06
Denver (DEN)
Valid until 2026-01-04
Mon
Tue
Wed
-
Thu
Fri
-
Sat
Sun
Codeshare flight, operated by Frontier Airlines.(F9)
Duration: 2:21, non-stop
Airbus A321 (321)
Direct Codeshare Flights:
Volaris Y42187
06:45
Ontario, Los Angeles (ONT)

10:06
Denver (DEN)
Valid until 2026-01-05
Mon
Tue
-
Wed
Thu
-
Fri
Sat
-
Sun
-
Codeshare flight, operated by Frontier Airlines.(F9)
Duration: 2:21, non-stop
Airbus A320 (320)
Direct Codeshare Flights:
Volaris Y42187
07:00
Ontario, Los Angeles (ONT)

10:22
Denver (DEN)
Operates only on 2026-01-06
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Frontier Airlines.(F9)
Duration: 2:22, non-stop
Airbus A321 (321)
Direct Codeshare Flights:
Volaris Y42187
07:00
Ontario, Los Angeles (ONT)

10:22
Denver (DEN)
Effective 2026-01-07 through 2026-01-10
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by Frontier Airlines.(F9)
Duration: 2:22, non-stop
Airbus A320 (320)
Direct Codeshare Flights:
Volaris Y42187
07:15
Ontario, Los Angeles (ONT)

10:40
Denver (DEN)
Effective 2026-01-13 through 2026-01-20
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Frontier Airlines.(F9)
Duration: 2:25, non-stop
Airbus A321 (321)
Direct Codeshare Flights:
Volaris Y42187
07:15
Ontario, Los Angeles (ONT)

10:40
Denver (DEN)
Effective 2026-01-14 through 2026-01-24
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by Frontier Airlines.(F9)
Duration: 2:25, non-stop
Airbus A320 (320)
Direct Codeshare Flights:
Volaris Y42187
07:15
Ontario, Los Angeles (ONT)

10:40
Denver (DEN)
Effective 2026-01-27 through 2026-02-07
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by Frontier Airlines.(F9)
Duration: 2:25, non-stop
Airbus A320 (320)
Direct Codeshare Flights:
Volaris Y42187
07:30
Ontario, Los Angeles (ONT)

10:55
Denver (DEN)
Effective 2026-02-10 through 2026-02-11
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Frontier Airlines.(F9)
Duration: 2:25, non-stop
Airbus A320 (320)
Direct Codeshare Flights:
Volaris Y42187
07:30
Ontario, Los Angeles (ONT)

10:55
Denver (DEN)
Effective 2026-02-17 through 2026-03-03
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Frontier Airlines.(F9)
Duration: 2:25, non-stop
Airbus A321 (321)
Direct Codeshare Flights:
Volaris Y42187
07:30
Ontario, Los Angeles (ONT)

10:55
Denver (DEN)
Effective 2026-02-18 through 2026-03-04
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Frontier Airlines.(F9)
Duration: 2:25, non-stop
Airbus A320 (320)
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Parallax here ONT-DEN
  • Y4 2187 is a domestic flight 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 2:20 and 2:26.
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